transitions in research papers

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Effective Transition Words for Research Papers

What are transition words in academic writing?

A transition is a change from one idea to another idea in writing or speaking and can be achieved using transition terms or phrases. These transitions are usually placed at the beginning of sentences, independent clauses, and paragraphs and thus establish a specific relationship between ideas or groups of ideas. Transitions are used to enhance cohesion in your paper and make its logical development clearer to readers.

Types of Transition Words

Transitions accomplish many different objectives. We can divide all transitions into four basic categories:

• Additive transitions  signal to the reader that you are adding or referencing information
• Adversative transitions  indicate conflict or disagreement between pieces of information
• Causal transitions  point to consequences and show cause-and-effect relationships
• Sequential transitions  clarify the order and sequence of information and the overall structure of the paper

Additive Transitions

These terms signal that new information is being added (between both sentences and paragraphs), introduce or highlight information, refer to something that was just mentioned, add a similar situation, or identify certain information as important.

Adversative Transitions

These terms and phrases distinguish facts, arguments, and other information, whether by contrasting and showing differences; by conceding points or making counterarguments; by dismissing the importance of a fact or argument; or replacing and suggesting alternatives.

Causal Transitions

These terms and phrases signal the reasons, conditions, purposes, circumstances, and cause-and-effect relationships. These transitions often come after an important point in the research paper has been established or to explore hypothetical relationships or circumstances.

Sequential Transitions

These transition terms and phrases organize your paper by numerical sequence; by showing continuation in thought or action; by referring to previously-mentioned information; by indicating digressions; and, finally, by concluding and summing up your paper. Sequential transitions are essential to creating structure and helping the reader understand the logical development through your paper’s methods, results, and analysis.

How to Choose Transitions in Academic Writing

Transitions are commonplace elements in writing, but they are also powerful tools that can be abused or misapplied if one isn’t careful. Here are some ways to ensure you are using transitions effectively.

• Check for overused, awkward, or absent transitions during the paper editing process. Don’t spend too much time trying to find the “perfect” transition while writing the paper.
• When you find a suitable place where a transition could connect ideas, establish relationships, and make it easier for the reader to understand your point, use the list to find a suitable transition term or phrase.
• Similarly, if you have repeated some terms again and again, find a substitute transition from the list and use that instead. This will help vary your writing and enhance the communication of ideas.
• Read the beginning of each paragraph. Did you include a transition? If not, look at the information in that paragraph and the preceding paragraph and ask yourself: “How does this information connect?” Then locate the best transition from the list.
• Check the structure of your paper—are your ideas clearly laid out in order? You should be able to locate sequence terms such as “first,” “second,” “following this,” “another,” “in addition,” “finally,” “in conclusion,” etc. These terms will help outline your paper for the reader.

For more helpful information on academic writing and the journal publication process, visit Wordvice’s  Academic Resources  Page. And be sure to check out Wordvice’s professional English editing services if you are looking for  paper editing and proofreading  after composing your academic document.

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Wordvice Resources

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Other Resources Around the Web

• MSU Writing Center.  Transition Words.
• UW-Madison Writing Center.  Transition Words and Phrases.

Transitions

What this handout is about.

In this crazy, mixed-up world of ours, transitions glue our ideas and our essays together. This handout will introduce you to some useful transitional expressions and help you employ them effectively.

The function and importance of transitions

In both academic writing and professional writing, your goal is to convey information clearly and concisely, if not to convert the reader to your way of thinking. Transitions help you to achieve these goals by establishing logical connections between sentences, paragraphs, and sections of your papers. In other words, transitions tell readers what to do with the information you present to them. Whether single words, quick phrases, or full sentences, they function as signs that tell readers how to think about, organize, and react to old and new ideas as they read through what you have written.

Transitions signal relationships between ideas—relationships such as: “Another example coming up—stay alert!” or “Here’s an exception to my previous statement” or “Although this idea appears to be true, here’s the real story.” Basically, transitions provide the reader with directions for how to piece together your ideas into a logically coherent argument. Transitions are not just verbal decorations that embellish your paper by making it sound or read better. They are words with particular meanings that tell the reader to think and react in a particular way to your ideas. In providing the reader with these important cues, transitions help readers understand the logic of how your ideas fit together.

Signs that you might need to work on your transitions

How can you tell whether you need to work on your transitions? Here are some possible clues:

• Your instructor has written comments like “choppy,” “jumpy,” “abrupt,” “flow,” “need signposts,” or “how is this related?” on your papers.
• Your readers (instructors, friends, or classmates) tell you that they had trouble following your organization or train of thought.
• You tend to write the way you think—and your brain often jumps from one idea to another pretty quickly.
• You wrote your paper in several discrete “chunks” and then pasted them together.
• You are working on a group paper; the draft you are working on was created by pasting pieces of several people’s writing together.

Organization

Since the clarity and effectiveness of your transitions will depend greatly on how well you have organized your paper, you may want to evaluate your paper’s organization before you work on transitions. In the margins of your draft, summarize in a word or short phrase what each paragraph is about or how it fits into your analysis as a whole. This exercise should help you to see the order of and connection between your ideas more clearly.

If after doing this exercise you find that you still have difficulty linking your ideas together in a coherent fashion, your problem may not be with transitions but with organization. For help in this area (and a more thorough explanation of the “reverse outlining” technique described in the previous paragraph), please see the Writing Center’s handout on organization .

How transitions work

The organization of your written work includes two elements: (1) the order in which you have chosen to present the different parts of your discussion or argument, and (2) the relationships you construct between these parts. Transitions cannot substitute for good organization, but they can make your organization clearer and easier to follow. Take a look at the following example:

El Pais , a Latin American country, has a new democratic government after having been a dictatorship for many years. Assume that you want to argue that El Pais is not as democratic as the conventional view would have us believe.

One way to effectively organize your argument would be to present the conventional view and then to provide the reader with your critical response to this view. So, in Paragraph A you would enumerate all the reasons that someone might consider El Pais highly democratic, while in Paragraph B you would refute these points. The transition that would establish the logical connection between these two key elements of your argument would indicate to the reader that the information in paragraph B contradicts the information in paragraph A. As a result, you might organize your argument, including the transition that links paragraph A with paragraph B, in the following manner:

Paragraph A: points that support the view that El Pais’s new government is very democratic.

Transition: Despite the previous arguments, there are many reasons to think that El Pais’s new government is not as democratic as typically believed.

Paragraph B: points that contradict the view that El Pais’s new government is very democratic.

In this case, the transition words “Despite the previous arguments,” suggest that the reader should not believe paragraph A and instead should consider the writer’s reasons for viewing El Pais’s democracy as suspect.

As the example suggests, transitions can help reinforce the underlying logic of your paper’s organization by providing the reader with essential information regarding the relationship between your ideas. In this way, transitions act as the glue that binds the components of your argument or discussion into a unified, coherent, and persuasive whole.

Types of transitions

Now that you have a general idea of how to go about developing effective transitions in your writing, let us briefly discuss the types of transitions your writing will use.

The types of transitions available to you are as diverse as the circumstances in which you need to use them. A transition can be a single word, a phrase, a sentence, or an entire paragraph. In each case, it functions the same way: First, the transition either directly summarizes the content of a preceding sentence, paragraph, or section or implies such a summary (by reminding the reader of what has come before). Then, it helps the reader anticipate or comprehend the new information that you wish to present.

• Transitions between sections: Particularly in longer works, it may be necessary to include transitional paragraphs that summarize for the reader the information just covered and specify the relevance of this information to the discussion in the following section.
• Transitions between paragraphs: If you have done a good job of arranging paragraphs so that the content of one leads logically to the next, the transition will highlight a relationship that already exists by summarizing the previous paragraph and suggesting something of the content of the paragraph that follows. A transition between paragraphs can be a word or two (however, for example, similarly), a phrase, or a sentence. Transitions can be at the end of the first paragraph, at the beginning of the second paragraph, or in both places.
• Transitions within paragraphs: As with transitions between sections and paragraphs, transitions within paragraphs act as cues by helping readers to anticipate what is coming before they read it. Within paragraphs, transitions tend to be single words or short phrases.

Transitional expressions

Effectively constructing each transition often depends upon your ability to identify words or phrases that will indicate for the reader the kind of logical relationships you want to convey. The table below should make it easier for you to find these words or phrases. Whenever you have trouble finding a word, phrase, or sentence to serve as an effective transition, refer to the information in the table for assistance. Look in the left column of the table for the kind of logical relationship you are trying to express. Then look in the right column of the table for examples of words or phrases that express this logical relationship.

Keep in mind that each of these words or phrases may have a slightly different meaning. Consult a dictionary or writer’s handbook if you are unsure of the exact meaning of a word or phrase.

You may reproduce it for non-commercial use if you use the entire handout and attribute the source: The Writing Center, University of North Carolina at Chapel Hill

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Some experts argue that focusing on individual actions to combat climate change takes the focus away from the collective action required to keep carbon levels from rising. Change will not be effected, say some others, unless individual actions raise the necessary awareness.

While a reader can see the connection between the sentences above, it’s not immediately clear that the second sentence is providing a counterargument to the first. In the example below, key “old information” is repeated in the second sentence to help readers quickly see the connection. This makes the sequence of ideas easier to follow.  

Sentence pair #2: Effective Transition

Some experts argue that focusing on individual actions to combat climate change takes the focus away from the collective action required to keep carbon levels from rising. Other experts argue that individual actions are key to raising the awareness necessary to effect change.

You can use this same technique to create clear transitions between paragraphs. Here’s an example:

Some experts argue that focusing on individual actions to combat climate change takes the focus away from the collective action required to keep carbon levels from rising. Other experts argue that individual actions are key to raising the awareness necessary to effect change. According to Annie Lowery, individual actions are important to making social change because when individuals take action, they can change values, which can lead to more people becoming invested in fighting climate change. She writes, “Researchers believe that these kinds of household-led trends can help avert climate catastrophe, even if government and corporate actions are far more important” (Lowery).

So, what’s an individual household supposed to do?

The repetition of the word “household” in the new paragraph helps readers see the connection between what has come before (a discussion of whether household actions matter) and what is about to come (a proposal for what types of actions households can take to combat climate change).

Sometimes, transitional words can help readers see how ideas are connected. But it’s not enough to just include a “therefore,” “moreover,” “also,” or “in addition.” You should choose these words carefully to show your readers what kind of connection you are making between your ideas.

To decide which transitional word to use, start by identifying the relationship between your ideas. For example, you might be

• making a comparison or showing a contrast Transitional words that compare and contrast include also, in the same way, similarly, in contrast, yet, on the one hand, on the other hand. But before you signal comparison, ask these questions: Do your readers need another example of the same thing? Is there a new nuance in this next point that distinguishes it from the previous example? For those relationships between ideas, you might try this type of transition: While x may appear the same, it actually raises a new question in a slightly different way. 
• expressing agreement or disagreement When you are making an argument, you need to signal to readers where you stand in relation to other scholars and critics. You may agree with another person’s claim, you may want to concede some part of the argument even if you don’t agree with everything, or you may disagree. Transitional words that signal agreement, concession, and disagreement include however, nevertheless, actually, still, despite, admittedly, still, on the contrary, nonetheless .
• showing cause and effect Transitional phrases that show cause and effect include therefore, hence, consequently, thus, so. Before you choose one of these words, make sure that what you are about to illustrate is really a causal link. Novice writers tend to add therefore and hence when they aren’t sure how to transition; you should reserve these words for when they accurately signal the progression of your ideas.
• explaining or elaborating Transitions can signal to readers that you are going to expand on a point that you have just made or explain something further. Transitional words that signal explanation or elaboration include in other words, for example, for instance, in particular, that is, to illustrate, moreover .
• drawing conclusions You can use transitions to signal to readers that you are moving from the body of your argument to your conclusions. Before you use transitional words to signal conclusions, consider whether you can write a stronger conclusion by creating a transition that shows the relationship between your ideas rather than by flagging the paragraph simply as a conclusion. Transitional words that signal a conclusion include in conclusion , as a result, ultimately, overall— but strong conclusions do not necessarily have to include those phrases.

If you’re not sure which transitional words to use—or whether to use one at all—see if you can explain the connection between your paragraphs or sentence either out loud or in the margins of your draft.

For example, if you write a paragraph in which you summarize physician Atul Gawande’s argument about the value of incremental care, and then you move on to a paragraph that challenges those ideas, you might write down something like this next to the first paragraph: “In this paragraph I summarize Gawande’s main claim.” Then, next to the second paragraph, you might write, “In this paragraph I present a challenge to Gawande’s main claim.” Now that you have identified the relationship between those two paragraphs, you can choose the most effective transition between them. Since the second paragraph in this example challenges the ideas in the first, you might begin with something like “but,” or “however,” to signal that shift for your readers.  

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Effective Transitions in Research Manuscripts

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• A transition is a word or phrase that connects consecutive sentences or paragraphs
• Transitions can strengthen your argument by joining ideas and clarifying parts of your manuscript

Updated on June 25, 2013

A transition is a word or phrase that connects consecutive sentences or paragraphs. Effective transitions can clarify the logical flow of your ideas and thus strengthen your argument or explanation. Here, two main transitional tools are discussed: demonstrative pronouns and introductory terms.

Demonstrative pronouns

The demonstrative pronouns this , that , these , and those can be used to emphasize the relationship between adjacent sentences. For example, “Western blotting is a widely used method. This [technique] is favored by protein biochemists.” The use of This or This technique rather than The technique helps to connect the two sentences, indicating that Western blotting is still being discussed in the second sentence. Note that the inclusion of a noun ( technique ) after the pronoun ( this ) decreases ambiguity .

Introductory words or phrases

These transitions are placed at the beginning of the second sentence and are often followed by a comma to improve readability. Introductory words and phrases are distinct from coordinating conjunctions ( and , but , for , nor , or , so , yet ), which are used to bridge two independent clauses within a single sentence rather than two separate sentences. These conjunctions should not be placed at the beginning of a sentence in formal writing. Below are several examples of transitional words and phrases that are frequently used in academic writing, including potential replacements for common informal terms:

To learn more about the special usage of the italicized terms in the table, please see our post on introductory phrases .

Keep in mind that transitions that are similar in meaning are not necessarily interchangeable (such as in conclusion and thus ). A few other transitional words may be particularly helpful when writing lists or describing sequential processes, such as in the methods section of a research paper: next , then , meanwhile , first , second , third , and finally .

In sum, transitions are small additions that can substantially improve the flow of your ideas. However, if your manuscript is not well organized, transitions will not be sufficient to ensure your reader's understanding, so be sure to outline the progression of your ideas before writing.

We hope that this editing tip will help you to integrate effective transitions into your writing. Keep in mind - AJE's English Editing Service specializes in word choice and grammar. Utilize our service for professional help. As always, please email us at [email protected] with any questions.

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Transitional Words and Phrases

One of your primary goals as a writer is to present ideas in a clear and understandable way. To help readers move through your complex ideas, you want to be intentional about how you structure your paper as a whole as well as how you form the individual paragraphs that comprise it. In order to think through the challenges of presenting your ideas articulately, logically, and in ways that seem natural to your readers, check out some of these resources: Developing a Thesis Statement , Paragraphing , and Developing Strategic Transitions: Writing that Establishes Relationships and Connections Between Ideas.

While clear writing is mostly achieved through the deliberate sequencing of your ideas across your entire paper, you can guide readers through the connections you’re making by using transitional words in individual sentences. Transitional words and phrases can create powerful links between your ideas and can help your reader understand your paper’s logic.

In what follows, we’ve included a list of frequently used transitional words and phrases that can help you establish how your various ideas relate to each other. We’ve divided these words and phrases into categories based on the common kinds of relationships writers establish between ideas.

Two recommendations: Use these transitions strategically by making sure that the word or phrase you’re choosing matches the logic of the relationship you’re emphasizing or the connection you’re making. All of these words and phrases have different meanings, nuances, and connotations, so before using a particular transitional word in your paper, be sure you understand its meaning and usage completely, and be sure that it’s the right match for your paper’s logic. Use these transitional words and phrases sparingly because if you use too many of them, your readers might feel like you are overexplaining connections that are already clear.

Categories of Transition Words and Phrases

Causation Chronology Combinations Contrast Example

Importance Location Similarity Clarification Concession

Conclusion Intensification Purpose Summary

Transitions to help establish some of the most common kinds of relationships

Causation– Connecting instigator(s) to consequence(s).

accordingly as a result and so because

consequently for that reason hence on account of

since therefore thus

Chronology– Connecting what issues in regard to when they occur.

after afterwards always at length during earlier following immediately in the meantime

later never next now once simultaneously so far sometimes

soon subsequently then this time until now when whenever while

Combinations Lists– Connecting numerous events. Part/Whole– Connecting numerous elements that make up something bigger.

additionally again also and, or, not as a result besides even more

finally first, firstly further furthermore in addition in the first place in the second place

last, lastly moreover next second, secondly, etc. too

Contrast– Connecting two things by focusing on their differences.

after all although and yet at the same time but

despite however in contrast nevertheless nonetheless notwithstanding

on the contrary on the other hand otherwise though yet

Example– Connecting a general idea to a particular instance of this idea.

as an illustration e.g., (from a Latin abbreviation for “for example”)

for example for instance specifically that is

to demonstrate to illustrate

Importance– Connecting what is critical to what is more inconsequential.

chiefly critically

foundationally most importantly

of less importance primarily

Location– Connecting elements according to where they are placed in relationship to each other.

above adjacent to below beyond

centrally here nearby neighboring on

opposite to peripherally there wherever

Similarity– Connecting to things by suggesting that they are in some way alike.

by the same token in like manner

in similar fashion here in the same way

likewise wherever

Other kinds of transitional words and phrases Clarification

i.e., (from a Latin abbreviation for “that is”) in other words

that is that is to say to clarify to explain

to put it another way to rephrase it

granted it is true

naturally of course

finally lastly

in conclusion in the end

to conclude

Intensification

in fact indeed no

of course surely to repeat

undoubtedly without doubt yes

for this purpose in order that

so that to that end

to this end

in brief in sum

in summary in short

to sum up to summarize

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Connecting Ideas Through Transitions

Using Transitional Words and Phrases

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Writing Your Paper: Transitions

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Transitions

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Transitions are words and/or phrases used to indicate movement or show change throughout a piece of writing. Transitions generally come at the beginning or end of a paragraph and can do the following:

• Alert readers of connections to, or further evidence for, the thesis
• Function as the topic sentence of paragraphs
• Guide readers through an argument
• Help writers stay on task

Transitions sentences often indicate or signal:

• Change to new topic
• Connection/flow from previous topic
• Continuity of overall argument/thesis

Transitions show connections between ideas. You must create these connections for the reader to move them along with your argument. Without transitions, you are building a house without nails. Things do not hold together.

Transition Words and Phrases

Transitions can signal change or relationship in these ways:

Time - order of events

Examples: while, immediately, never, after, later, earlier, always, soon, meanwhile, during, until now, next, following, once, then, simultaneously, so far

Contrast - show difference

Examples: yet, nevertheless, after all, but, however, though, otherwise, on the contrary, in contrast, on the other hand, at the same time

Compare - show similarity

Examples: in the same way, in like manner, similarly, likewise

Position - show spatial relationships

Examples: here, there, nearby, beyond, wherever, opposite to, above, below

Cause and effect

Examples: because, since, for that reason, therefore, consequently, accordingly, thus, as a result

Conclusion - wrap up/summarize the argument

Writing strong transitions often takes more than simply plugging in a transition word or phrase here and there. In a piece of academic writing, writers often need to use signposts, or transition sentences that signal the reader of connections to the thesis. To form a signpost, combine transition words, key terms from the thesis, and a mention of the previous topic and new topic.

Transition/signpost sentence structure: 

[Transition word/phrase] + [previous topic] + [brief restatement of or reference to thesis/argument] + [new topic]  = Signpost

• Do not think of this as a hard and fast template, but a general guide to what is included in a good transition.
• Transitions link the topic of the previous paragraph(s) to the topic of the present paragraph(s) and connect both to the overall goal/argument. You'll most often find signposts at the beginning of a paragraph, where they function as topic sentences .

Sample signpost using complimentary transition phrase:

According to [transition phrase] the same overall plan for first defeating Confederate forces in the field and then capturing major cities and rail hubs [overall thesis restated] that Grant followed by marching the Army of the Potomac into Virginia [previous topic] , Sherman likewise [transition word] advanced into Georgia to drive a dagger into the heart of the Confederacy [new topic] .

Contrasting ideas have the same essential format as complimentary but may use different transition words and phrases:

In contrast to [transition phrase] F.D.R., who maintained an ever-vigilant watchfulness over the Manhattan project [previous topic + reference to overall thesis] , Truman took over the presidency without any knowledge of the atomic bomb or its potential power [new topic] .

The overall structure of an essay with transitions may look something like this:

*Note how transitions may come at beginning or end of paragraphs, but either way they signal movement and change.

You can learn more about essay structure HERE .

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Transition Resources

Here are a couple of good sites with extensive lists of transition words and phrases:

  https://writing.wisc.edu/Handbook/Transitions.html   

 Academic Phrasebank  http://www.phrasebank.manchester.ac.uk

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Research Paper Transition Examples

Searching for effective research paper transition examples? Learn how to make effective transitions between sections of a research paper. There are two distinct issues in making strong transitions:

• Does the upcoming section actually belong where you have placed it?
• Have you adequately signaled the reader why you are taking this next step?

The first is the most important: Does the upcoming section actually belong in the next spot? The sections in your research paper need to add up to your big point (or thesis statement) in a sensible progression. One way of putting that is, “Does the architecture of your paper correspond to the argument you are making?” Getting this architecture right is the goal of “large-scale editing,” which focuses on the order of the sections, their relationship to each other, and ultimately their correspondence to your thesis argument.

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It’s easy to craft graceful transitions when the sections are laid out in the right order. When they’re not, the transitions are bound to be rough. This difficulty, if you encounter it, is actually a valuable warning. It tells you that something is wrong and you need to change it. If the transitions are awkward and difficult to write, warning bells should ring. Something is wrong with the research paper’s overall structure.

After you’ve placed the sections in the right order, you still need to tell the reader when he is changing sections and briefly explain why. That’s an important part of line-by-line editing, which focuses on writing effective sentences and paragraphs.

Examples of Effective Transitions

Effective transition sentences and paragraphs often glance forward or backward, signaling that you are switching sections. Take this example from J. M. Roberts’s History of Europe . He is finishing a discussion of the Punic Wars between Rome and its great rival, Carthage. The last of these wars, he says, broke out in 149 B.C. and “ended with so complete a defeat for the Carthaginians that their city was destroyed . . . .” Now he turns to a new section on “Empire.” Here is the first sentence: “By then a Roman empire was in being in fact if not in name.”(J. M. Roberts, A History of Europe . London: Allen Lane, 1997, p. 48) Roberts signals the transition with just two words: “By then.” He is referring to the date (149 B.C.) given near the end of the previous section. Simple and smooth.

Michael Mandelbaum also accomplishes this transition between sections effortlessly, without bringing his narrative to a halt. In The Ideas That Conquered the World: Peace, Democracy, and Free Markets , one chapter shows how countries of the North Atlantic region invented the idea of peace and made it a reality among themselves. Here is his transition from one section of that chapter discussing “the idea of warlessness” to another section dealing with the history of that idea in Europe.

The widespread aversion to war within the countries of the Western core formed the foundation for common security, which in turn expressed the spirit of warlessness. To be sure, the rise of common security in Europe did not abolish war in other parts of the world and could not guarantee its permanent abolition even on the European continent. Neither, however, was it a flukish, transient product . . . . The European common security order did have historical precedents, and its principal features began to appear in other parts of the world. Precedents for Common Security The security arrangements in Europe at the dawn of the twenty-first century incorporated features of three different periods of the modern age: the nineteenth century, the interwar period, and the ColdWar. (Michael Mandelbaum, The Ideas That Conquered the World: Peace, Democracy, and Free Markets . New York: Public Affairs, 2002, p. 128)

It’s easier to make smooth transitions when neighboring sections deal with closely related subjects, as Mandelbaum’s do. Sometimes, however, you need to end one section with greater finality so you can switch to a different topic. The best way to do that is with a few summary comments at the end of the section. Your readers will understand you are drawing this topic to a close, and they won’t be blindsided by your shift to a new topic in the next section.

Here’s an example from economic historian Joel Mokyr’s book The Lever of Riches: Technological Creativity and Economic Progress . Mokyr is completing a section on social values in early industrial societies. The next section deals with a quite different aspect of technological progress: the role of property rights and institutions. So Mokyr needs to take the reader across a more abrupt change than Mandelbaum did. Mokyr does that in two ways. First, he summarizes his findings on social values, letting the reader know the section is ending. Then he says the impact of values is complicated, a point he illustrates in the final sentences, while the impact of property rights and institutions seems to be more straightforward. So he begins the new section with a nod to the old one, noting the contrast.

In commerce, war and politics, what was functional was often preferred [within Europe] to what was aesthetic or moral, and when it was not, natural selection saw to it that such pragmatism was never entirely absent in any society. . . . The contempt in which physical labor, commerce, and other economic activity were held did not disappear rapidly; much of European social history can be interpreted as a struggle between wealth and other values for a higher step in the hierarchy. The French concepts of bourgeois gentilhomme and nouveau riche still convey some contempt for people who joined the upper classes through economic success. Even in the nineteenth century, the accumulation of wealth was viewed as an admission ticket to social respectability to be abandoned as soon as a secure membership in the upper classes had been achieved. Institutions and Property Rights The institutional background of technological progress seems, on the surface, more straightforward. (Joel Mokyr, The Lever of Riches: Technological Creativity and Economic Progress . New York: Oxford University Press, 1990, p. 176)

Note the phrase, “on the surface.” Mokyr is hinting at his next point, that surface appearances are deceiving in this case. Good transitions between sections of your research paper depend on:

• Getting the sections in the right order
• Moving smoothly from one section to the next
• Signaling readers that they are taking the next step in your argument
• Explaining why this next step comes where it does

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All the Transition Words You'll Ever Need for Academic Writing

In academic writing, transitions are the glue that holds your ideas together. Without them, your writing would be illogical and lack flow, making it difficult for your audience to understand or replicate your research.

In this article, we will discuss the types of transitions based on their purpose. Familiarizing yourself with these most-used and best transition terms for academic writing will help bring clarity to your essays and make the writing process much easier on you.

Types of transitions

There are four types of transitions: Causal, Sequential, Adversative and Additive. Below, we've listed the most commonly used transitions in each of these categories, as well as examples of how they might be used to begin a paragraph or sentence.

When you use causal transitions, you are letting your reader know that there is a cause-and-effect relationship between ideas or paragraphs or consequences.

• Accordingly ("Accordingly, the author states…")
• All else being equal ("All else being equal, these ideas correlate…")
• As a consequence ("As a consequence, all data were aggregated…")
• As a result (of this) ("As a result of this finding, scholars now agree…")
• Because (of the fact that) ("Because of the fact that these numbers show signs of declining,…")
• Because (of this) ("Because of this, scholars determined…")
• Consequently ("Consequently, the research was stalled…")
• Due to (the fact that) ("Due to the fact that all prior studies showed similar results,…")
• For the purpose(s) of ("For the purposes of our argument, we will…")
• For this reason ("For this reason, the researchers…")
• Granted (that) ("Granted that the numbers were significantly higher, the study…")
• Granting (that) ("Granting that the data was collected incorrectly, the researchers felt…")
• If…then ("If this data is significant, then it is obvious that…")
• If so ("If so, the data is not useable…")
• In the event ("In the event that it is not significant, we should consider that…")
• Inasmuch as ("Insomuch as the authors attempt to refute these findings, research suggests that…")
• In the hope that ("In the hope that new data will encourage more in-depth research, the author found that….")
• In that case ("In that case, we've found that…")
• Only if ("Only if data is insubstantial should findings be ignored, thus…")
• Otherwise ("Otherwise, the research would continue…")
• Owing to (the fact) ("Owing to the fact that the gathered data is incorrect, …")
• Provided (that) ("Provided that the same results occur, we can assume that…")
• Since ("Since it would seem futile to continue to study this topic, we posit that…")
• So as to ("So as to clarify past remarks, we initiated further research…")
• So long as ("So long as there is established credibility, this journal seeks….")
• So much (so) that ("The data is manipulated so much so that it can't be used to clarify…")
• Therefore ("Therefore, this result compromises the exploration into…")
• That being the case ("That being the case, we should look into alternatives…")
• Thus ("Thus, it would see that further research…")
• Unless ("Unless this calls to question the original hypothesis, the exploration of this topic would be…")
• With (this fact) in mind ("With this fact in mind, let's consider another alternative…")
• Under those circumstances ("Under those circumstances, fewer participants…")

Sequential transitions show a numerical sequence or the continuation of a thought or action. They are used to establish an order to your main points in an academic essay, and help create a logical outline for your writing.

• (Once) again ("Once again, this is not a reason for lack of rigor…")
• After (this) ("After this, it would seem most prudent to…")
• Afterwards ("Afterwards, it seemed a moot point to determine…")
• Altogether ("Altogether, these data suggest that…")
• Anyway ("Anyway, such loss would prove to be damaging..")
• As (was) mentioned earlier/above ("As was mentioned above, the lack of attention given to…")
• As (was) stated before ("As was stated before, there is little evidence show…")
• As a final point ("As a final point, consider the connection between…")
• At any rate ("At any rate, loss of significance was vital to…")
• By the way ("By the way, one can't assume that…")
• Coincidentally ("Coincidentally, this affected the nature of…")
• Consequently ("Consequently, Smith found that…")
• Eventually ("Eventually, more was needed to sustain…")
• Finally ("Finally, we now know that…"
• First ("First, it seems that even with the additional data…")
• First of all ("First of all, none of the respondents felt that…")
• Given these points ("Given these points, it's easy to see that…")
• Hence ("Hence, we see that the above details…")
• In conclusion ("In conclusion, since the data shows significant growth...")
• In summary ("In summary, there are not enough studies to show the correlation…")
• In the (first/second/third) place ("In the first place, we found that…")
• Incidentally ("Incidentally, no findings showed a positive outlook…")
• Initially ("Initially, we noticed that the authors….")
• Last ("Last, the most significant growth appeared to happen when…")
• Next ("Next, it's important to note that…")
• Overall ("Overall, we found that….")
• Previously ("Previously, it was shown that…")
• Returning to the subject ("Returning to the subject, careful observation of trends…")
• Second ("Second, it was impossible to know the…")
• Secondly ("Secondly, in looking at variable related to…")
• Subsequently ("Subsequently, we found that…")
• Summarizing (this) ("Summarizing this, the authors noted that…")
• Therefore ("Therefore, the connection is unknown between…")
• Third ("Third, when data were collected…")
• Thirdly ("Thirdly, we noticed that…")
• Thus ("Thus, there was no evidence that…)
• To conclude ("To conclude, the findings suggest that…")
• To repeat ("To repeat, no studies found evidence that…")
• To resume ("To resume the conversation, we began discussing…")
• To start with ("To start with, there is no evidence that…")
• To sum up ("To sum up, significant correlation was found…")
• Ultimately ("Ultimately, no studies found evidence of…")

Adversative Transitions

Adversative transitions show contrast, counter arguments or an alternative suggestion.

• Above all ("Above all, we found that…"
• Admittedly ("Admittedly, the findings suggest that…")
• All the same ("All the same, without knowing which direction the study would take…")
• Although ("Although much is to be learned from…")
• At any rate ("At any rate, we concluded that...")
• At least ("At least, with these results, we can…")
• Be that as it may ("Be that as it may, there was no significant correlation between…")
• Besides ("Besides, it is obvious that…")
• But ("But, the causal relationship between…")
• By way of contrast ("By the way of contrast, we note that…")
• Conversely ("Conversely, there was no correlation between…")
• Despite (this) ("Despite this, the findings are clear in that…")
• Either way ("Either way, studies fail to approach the topic from…")
• Even more ("Even more, we can conclude that…")
• Even so ("Even so, there is a lack of evidence showing…")
• Even though ("Even though the participants were unaware of which ….")
• However (However, it becomes clear that…")
• In any case ("In any case, there were enough reponses…")
• In any event ("In any event, we noted that…")
• In contrast ("In contrast, the new data suggests that…")
• In fact ("In fact, there is a loss of…")
• In spite of (this) ("In spite of this, we note that…")
• Indeed ("Indeed, it becomes clear that…")
• Instead (of) ("Instead of publishing our findings early, we chose to")
• More/Most importantly ("More importantly, there have not been any…")
• Nevertheless ("Nevertheless, it becomes clear that…")
• Nonetheless ("Nonetheless, we failed to note how…")
• Notwithstanding (this) ("Notwithstanding this, there was little evidence…")
• On the contrary ("On the contrary, no active users were…")
• On the other hand ("On the other hand, we cannot avoid…")
• Primarily ("Primarily, it becomes significant as…")
• Rather ("Rather, none of this is relevant…")
• Regardless (of) ("Regardless of previous results, the authors…")
• Significantly ("Significantly, there was little correlation between…")
• Still ("Still, nothing was noted in the diary…")
• Whereas ("Whereas little evidence has been given to…")
• While ("While causality is lacking…")
• Yet ("Yet, it becomes clear that…")

Additive Transitions

You'll use an additive transition to relate when new information is being added or highlighted to something that was just mentioned.

• Additionally ("Additionally, it can be noted that…")
• Also ("Also, there was no evidence that….")
• As a matter of fact ("As a matter of fact, the evidence fails to show…")
• As for (this) ("As for this, we can posit that…")
• By the same token ("By the same token, no studies have concluded…")
• Concerning (this) ("Concerning this, there is little evidence to…")
• Considering (this) ("Considering this, we must then return to…")
• Equally ("Equally, there was no correlation…")
• Especially ("Especially, the study reveals that…")
• For example ("For example, a loss of one's….")
• For instance ("For instance, there was little evidence showing…")
• Furthermore ("Furthermore, a lack of knowledge on…")
• In a similar way ("In a similar way, new findings show that…")
• In addition to ("In addition to this new evidence, we note that…")
• In fact ("In fact, none of the prior studies showed…")
• In other words ("In other words, there was a lack of…")
• In particular ("In particular, no relationship was revealed…")
• In the same way ("In the same way, new studies suggest that…")
• Likewise ("Likewise, we noted that…)
• Looking at (this information) ("Looking at this information, it's clear to see how…)
• Moreover ("Moreover, the loss of reputation of…")
• Namely ("Namely, the authors noted that…")
• Not only…but also ("Not only did the study reveal new findings, but also it demonstrated how….")
• Notably ("Notably, no other studies have been done…")
• On the subject of (this) ("On the subject of awareness, participants agreed that….")
• One example (of this is) ("One example of this is how the new data…")
• Particularly ("Particularly, there is little evidence showing…")
• Regarding (this) ("Regarding this, there were concerns that…")
• Similarly ("Similarly, we note that…")
• Specifically ("Specifically, there were responses that…")
• That is ("That is, little attention is given to…")
• The fact that ("The fact that the participants felt misinformed…")
• This means (that) ("This means that conclusive findings are…")
• To illustrate ("To illustrate, one participant wrote that….")
• To put it another way ("To put it another way, there is little reason to…")
• What this means is ("What this means is the authors failed to…")
• With regards to (this) ("With regards to this, we cannot assume that…")

Making the choice

When deciding which transition would best fit in each instance, keep in mind a few of these tips:

• Avoid using the same transition too much, as it could make your writing repetitive.
• Check at the beginning of each paragraph to ensure that a) you've included a transition, if one was needed, and b) it's the correct transition to accurately relate the type of logical connection you're forming between ideas.
• Be sure that if you are using sequential transitions, they match. For example, if you use "first" to highlight your first point, "second" should come next, then "third," etc. You wouldn't want to use "first", followed by "secondly."

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4 Types of Transition Words for Research Papers 

Researchers often use transition words in academic writing to help guide the reader through text and communicate their ideas well. While these facilitate easy understanding and enhance the flow of the research paper, setting the wrong context with transition words in academic writing can disrupt tone and impact.

So how do you appropriately use transition words in research papers? This article explores the importance of using transitions in academic writing and explains the four types of transition words that can be used by students and researchers to improve their work.

Table of Contents

Why are transition words used in academic writing, additive transitions, adversative transitions, causal transitions, sequential transitions.

Transition words are the key language tools researchers use to communicate their ideas and concepts to readers. They not only reiterate the key arguments being made by the authors but are crucial to improving the structure and flow of the written language. Generally used at the beginning of sentences and paragraphs to form a bridge of communication, transition words can vary depending on your objective, placement, and structuring.

The four types of transition words in academic writing or research papers are additive transitions, adversative transitions, causal transitions, and sequential transitions. Let us look at each of these briefly below.

Types of Transition Words in Academic Writing

These types of transition words are used to inform or alert the reader that new or additional information is being introduced or added to something mentioned in the previous sentence or paragraph. Some examples of words in this category are – moreover, furthermore, additionally, and so on. Phrases like in fact, in addition to, considering this are examples of additive transition phrases that are commonly used.

Used to show contrast, offer alternative suggestions, or present counter arguments and differences, adversative transitions allow researchers to distinguish between different facts, or arguments by establishing or suggesting positions or alternatives opposing them. Examples of adversative transitions include, however, conversely, nevertheless, regardless, rather, and so on. Phrases like on the contrary, in any case, even though provide an adversative transition to arguments in a research paper.

By using causal transitions in their writing, authors can let readers know that there is a cause-and-effect relationship between two or more ideas or paragraphs. It is used to establish the key/important reasons, circumstances, or conditions of the argument being made or while studying hypothetical associations. Since, unless, consequently are some of the words in this type of transitions while in the event that, as a result are some of the causal phrases.

These transition words help to convey the continuation of a thought or action by a numerical sequence by alluding and referring to information or arguments that have been made earlier. Sequential transitions essentially bring order to the researcher’s main points or ideas in the research paper and help to create a logical outline to the arguments. These transition words and phrases essentially guide the reader through the research paper’s key methods, results, and analysis. Some examples of this type of transitions are initially, coincidentally, subsequently and so on. First of all, to conclude, by the way are a few examples of sequential transition phrases.

Researchers must carefully review their research paper, ensuring appropriate and effective use of transition words and phrases in academic writing. During the manuscript editing process, watch for transitions that may be out of context or misplaced. Remember, these words serve as tools to connect ideas and arguments, fostering logical and coherent flow in paragraphs. Double-check the necessity and accuracy of transitions at the beginning of sentences or paragraphs, ensuring they effectively bind and relate ideas and arguments. And finally, avoid repetition of the same transition words in your academic writing.

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The Power of Transition Words: How they connect and clarify your academic writing

Academic writing demands clear communication of ideas to facilitate the exchange of knowledge, and to ensure that information is conveyed accurately and comprehensively. It serves as a vehicle for critical thinking, analysis, and synthesis, allowing scholars to contribute meaningfully to their fields of study. By employing suitable analogies and metaphors, writers can better understand the significance of their craft and strive to hone their skills in order to contribute meaningfully to the academic community. Let’s understand how we can achieve excellence in academic writing by using transition words.

What Are Transition Words?

Transition words are words or phrases that help establish connections between sentences, paragraphs, or ideas in a piece of writing. They act as bridges, guiding readers through the logical flow of information and signalling relationships between different parts of the text. Furthermore, they provide coherence and cohesion to your writing by clarifying the relationships between ideas, adding structure, and improving the overall readability.

Download this FREE infographic and make appropriate use of every transition word to enhance your academic writing.

Role of Transition Words in Effective Academic Writing

Transition words play a crucial role in enhancing clarity and coherence in academic writing. They act as linguistic signposts that guide readers through the text, helping them understand the relationships between ideas, and ensuring a smooth flow of information. The primary roles of these words in enhancing clarity and coherence can be summarized as follows:

A. Improving Readability and Comprehension

By facilitating smooth transitions and organizing information effectively, these words enhance the readability and comprehension of academic writing. They help readers navigate through complex texts, understand complex ideas, and follow the structure of the argument. Transition words facilitate reader navigation and comprehension, enhancing the reading experience with increased engagement and accessibility.

B. Organizing Thoughts and Paragraphs

Transition words assist in organizing thoughts and structuring the content of an academic paper. They provide a framework for presenting ideas in a coherent and systematic manner. By indicating sequence, order, or cause and effect relationships, these words help writers create a logical flow that guides readers smoothly from one point to the next. They enable the construction of well-organized paragraphs and facilitate the development of cohesive arguments.

C. Clarifying and Emphasizing

Transition words contribute to the clarity and precision of academic writing. They help define terms, rephrase or restate ideas, and provide necessary explanations. Additionally, they aid in emphasizing key points and drawing attention to important information. By strategically utilizing these words, writers can guarantee clear understanding of their ideas and effective conveyance of the intended message to the reader.

D. Coherence and Cohesion

Transition words are instrumental in creating coherence and cohesion within an academic paper. Coherence refers to the logical and smooth progression of ideas, while cohesion refers to the interconnectedness and unity of the text. They act as cohesive devices, linking sentences and paragraphs together and establishing a cohesive flow of information. They strengthen the logical connections between ideas, prevent abrupt shifts, and enable readers to follow the writer’s argument effortlessly.

E. Connecting Ideas

Transition words bridge the gap between sentences, paragraphs, and sections of an academic paper. They establish logical connections, indicating how ideas are related and allowing readers to follow the author’s train of thought. Whether showing addition, similarity, contrast, or example, these words help readers navigate between concepts and comprehend the overall message more effectively.

Types of Transition Words in Academic Writing

The types of transition words vary based on the situations where you can use them to enhance the effectiveness of your academic writing.

1. Addition

“Addition” transition words are used to introduce additional information or ideas that support or supplement the main point being discussed. They serve to expand upon the topic, provide further evidence, or present examples that strengthen your claims.

Examples of Addition Transition Words: 

• Furthermore, the study not only analyzed the effects of X but also examined the impact of Y.
• Moreover, the results not only confirmed the initial hypothesis but also revealed additional insights.
• Additionally, previous research has shown consistent findings, strengthening the validity of our study.

2. Comparison and Contrast

“Comparison and Contrast” transition words are used in academic writing when you want to highlight similarities, differences, or relationships between different concepts, ideas, or findings. They help to establish clear connections and facilitate the comparison and contrast of various elements within your research.

Examples of Comparison and Contrast Transition Words:

• Similarly, other researchers have reported comparable findings, corroborating the generalizability of our results.
• In contrast, previous studies have demonstrated consistent patterns, reinforcing the existing body of knowledge.
• In comparison, the current study offers a unique perspective by examining the relationship from a different angle.

3. Cause and Effect

“Cause and Effect” transition words are used when you want to demonstrate the relationship between a cause and its resulting effect or consequence. They help to clarify the cause-and-effect relationship, allowing readers to understand the connections between different variables, events, or phenomena.

Examples of Cause and Effect Transition Words:

• As a result, the data provides compelling evidence for a causal relationship between X and Y.
• Consequently, the hypothesis can be supported by the observed patterns in the collected data.
• Hence, the proposed model is validated, given the consistent and statistically significant results.

4. Example and Illustration

“Example and Illustration” transition words are used when you want to provide specific instances, evidence, or illustrations to support and clarify your main points or arguments. These words help to make your ideas more tangible and concrete by presenting real-life examples or specific cases.

Examples of “Example and Illustration” Transition Words:

• For example, one study conducted by Jackson et al. (2018) demonstrated a similar phenomenon in a different context.
• To illustrate this point, consider the case of Company X, which experienced similar challenges in implementing the proposed strategy.
• In particular, the data highlights the importance of considering demographic factors, such as age and gender, in the analysis.

5. Sequence and Chronology

“Sequence and Chronology” transition words are used in academic research papers when you want to indicate the order, progression, or sequence of events, ideas, or processes. These words help to organize information in a logical and coherent manner, ensuring that readers can follow the chronological flow of your research.

Examples of “Sequence and Chronology” Transition Words:

• First and foremost, the study aims to examine the long-term effects of intervention X on outcome Y.
• Subsequently, the participants were randomly assigned to either the control or experimental group.
• Finally, the data analysis revealed significant temporal trends that require further investigation.

6. Clarification and Restatement

“Clarification and Restatement” transition words are used in academic writing when you want to provide further explanation, clarify a point, or restate an idea in a different way. These words ensure that readers understand your arguments and ideas clearly, avoiding any ambiguity or confusion.

Examples of “Clarification and Restatement” Transition Words:

• In other words, the phenomenon can be explained by the interplay of various psychological and environmental factors.
• Specifically, the term “efficiency” refers to the ability to achieve maximum output with minimum resource utilization.
• To clarify, the concept of “sustainability” encompasses the ecological, economic, and social dimensions of development.

7. Emphasis

“Emphasis” transition words are used when you want to place special emphasis on certain points, ideas, or findings. These words help to draw attention to key information, highlight the significance of particular aspects, or underscore the importance of your arguments.

Examples of Emphasis Transition Words:

• Notably, this study addresses a significant gap in the existing literature.
• Importantly, the findings have implications for future policy decisions.
• In particular, the study examined the relationship between age and cognitive performance.

8. Summary and Conclusion

“Summary and Conclusion” transition words are employed in academic writing when you want to provide a concise summary of the main points discussed in your paper and draw a conclusion based on the findings or arguments presented. These help to signal the end of your paper and provide closure to your research.

Examples of “Summary and Conclusion” Transition Words

• In conclusion, the findings unequivocally support the initial hypothesis, emphasizing the significance of the proposed theory.
• Overall, the results indicate a consistent pattern, providing a foundation for future research in this area.
• In summary, this research makes a valuable contribution to the existing literature by extending our understanding of the topic.

Common Mistakes to Avoid When Using Transition Words in Academic Writing

When using transition words in academic writing, it’s important to be mindful of common mistakes to ensure that your writing remains clear, cohesive, and effective.

1. Overusing Transition Words

Using too many transition words can make your writing appear cluttered and disrupt the flow of your ideas. Avoid overloading your sentences or paragraphs with excessive transitions. Instead, use them strategically to enhance clarity and coherence.

2. Using Inappropriate or Irrelevant Transitions

Choose transition words that are appropriate for the context and purpose of your writing. Avoid using them when they don’t align with the relationship between the ideas you are connecting. Ensure that the transitions you use are relevant and contribute to the overall coherence of your writing.

3. Neglecting Proofreading and Editing

As with any aspect of writing, proofreading and editing are crucial when using transition words. Carefully review your writing to ensure that you use transitions correctly and effectively. Look for any inconsistencies, redundancies, or errors in your use of transitions and make necessary revisions.

4. Failing to Understand the Meaning

It’s important to understand the precise meaning and usage of transition words before incorporating them into your writing. Using a transition word incorrectly or inappropriately can lead to confusion or misinterpretation. Therefore, it is important to consult reliable resources or style guides to familiarize yourself with the correct usage of each of these words.

5. Neglecting the Logical Flow

Transition words should help guide the reader through your writing and create a logical flow of ideas. Failing to use appropriate transitions can result in a disjointed or fragmented presentation. Ensure that your transitions establish clear connections and maintain the coherence of your writing.

6. Relying Only on Transition Words

While transition words are valuable tools, they should not replace effective writing and organization. Relying solely on transitions to connect your ideas can lead to weak or poorly structured writing. Focus on developing strong topic sentences, clear paragraph organization, and logical progression of ideas alongside the use of these words.

7. Ignoring Sentence Variety

Use transition words to enhance the variety and sophistication of your sentence structures. Avoid using the same words repeatedly, as this can make your writing monotonous. Instead, explore different transitions that convey the specific relationships between your ideas.

In essence, the strategic use of transition words is a powerful tool that connects and clarifies your academic writing. Furthermore, it elevates your work from a mere collection of ideas to a cohesive, well-structured, and thought-provoking piece of scholarship. By mastering the art of using these words effectively, you can enhance the impact of your academic writing and contribute meaningfully to your field of study.

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Writing Transitions

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Good transitions can connect paragraphs and turn disconnected writing into a unified whole. Instead of treating paragraphs as separate ideas, transitions can help readers understand how paragraphs work together, reference one another, and build to a larger point. The key to producing good transitions is highlighting connections between corresponding paragraphs. By referencing in one paragraph the relevant material from previous paragraphs, writers can develop important points for their readers.

It is a good idea to continue one paragraph where another leaves off. (Instances where this is especially challenging may suggest that the paragraphs don't belong together at all.) Picking up key phrases from the previous paragraph and highlighting them in the next can create an obvious progression for readers. Many times, it only takes a few words to draw these connections. Instead of writing transitions that could connect any paragraph to any other paragraph, write a transition that could only connect one specific paragraph to another specific paragraph.

Complete List of Transition Words

100 Words and Phrases to Use Between Paragraphs

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Once you have completed the first draft of your paper, you will need to rewrite some of the introductory sentences at the beginning and the transition statements at the end of every paragraph . Transitions, which connect one idea to the next, may seem challenging at first, but they get easier once you consider the many possible methods for linking paragraphs together—even if they seem to be unrelated.

Transition words and phrases can help your paper move along, smoothly gliding from one topic to the next. If you have trouble thinking of a way to connect your paragraphs, consider a few of these 100 top transitions as inspiration. The type of transition words or phrases you use depends on the category of transition you need, as explained below.

Additive Transitions

Probably the most common type, additive transitions are those you use when you want to show that the current point is an addition to the previous one, notes  Edusson , a website that provides students with essay-writing tips and advice . Put another way, additive transitions signal to the reader that you are adding to an idea and/or your ideas are similar, says  Quizlet , an online teacher and student learning community. Some examples of additive transition words and phrases were compiled by Michigan State University  writing lab. Follow each transition word or phrase with a comma:

• In the first place
• Furthermore
• Alternatively
• As well (as this)
• What is more
• In addition (to this)
• On the other hand
• Either (neither)
• As a matter of fact
• Besides (this)
• To say nothing of
• Additionally
• Not to mention (this)
• Not only (this) but also (that) as well
• In all honesty
• To tell the truth

An example of additive transitions used in a sentence would be:

" In the first place , no 'burning' in the sense of combustion, as in the burning of wood, occurs in a volcano;  moreover , volcanoes are not necessarily mountains;  furthermore , the activity takes place not always at the summit but more commonly on the sides or flanks..." – Fred Bullard, "Volcanoes in History, in Theory, in Eruption"

In this and the examples of transitions in subsequent sections, the transition words or phrases are printed in italics to make them easier to find as you peruse the passages.

Adversative Transitions

Adversative transitions are used to signal conflict, contradiction, concession, and dismissal, says Michigan State University. Examples include:

• In contrast
• But even so
• Nevertheless
• Nonetheless
• (And) still
• In either case
• (Or) at least
• Whichever happens
• Whatever happens
• In either event

An example of an adversative transition phrase used in a sentence would be:

" On the other hand, professor Smith completely disagreed with the author's argument."

Causal Transitions

Causal transitions—also called cause-and-effect transitions—show how certain circumstances or events were caused by other factors, says Academic Help . The website that offers assistance with academic writing adds: "They [causal transitions] make it easier for the reader to follow the logic of the arguments and clauses represented in paper." Examples include:

• Accordingly
• As a result
• Consequently
• For this reason
• Granting (that)
• On the condition (that)
• In the event that
• As a result (of this)
• Because (of this)
• As a consequence
• In consequence
• So much (so) that
• For the purpose of
• With this intention
• With this in mind
• Under those circumstances
• That being the case

An example of a causal transition used in a sentence would be:

"The study of human chromosomes is in its infancy,  and so  it has only recently become possible to study the effect of environmental factors upon them." –Rachel Carson, "Silent Spring"

Sequential Transitions

Sequential transitions express a numerical sequence, continuation, conclusion , digression , resumption, or summation, says Michigan State, which gives these examples:

• In the (first, second, third, etc.) place
• To begin with
• To start with
• Subsequently
• To conclude with
• As a final point
• Last but not least
• To change the topic
• Incidentally
• To get back to the point
• As was previously stated

An example of a sequential transition would be:

"We should teach that words are not the things to which they refer. We should teach that words are best understood as convenient tools for handling reality... Finally , we should teach widely that new words can and should be invented if the need arises." –Karol Janicki, "Language Misconceived"

In sum , use transition words and phrases judiciously to keep your paper moving, hold your readers' attention, and retain your audience until the final word.

• Cohesion Strategies: A List of Transitional Words and Phrases
• Definition and Examples of a Transition in Composition
• How to Teach Topic Sentences Using Models
• Transitional Expressions
• Cohesion Exercise: Combining and Connecting Sentences
• Make Your Paragraphs Flow to Improve Writing
• A Guide to Lexical Verbs
• Cohesion Exercise: Building and Connecting Sentences
• What You Need to Know About Conjunctive Adverbs
• Linking Your Ideas in English With Discourse Markers
• Transitive and Intransitive Verbs in Spanish
• Conjugating the Verb 'To Be'
• Coherence in Composition
• Paragraph Transition: Definition and Examples
• Cue Word (or Phrase) in English
• Beef Up Critical Thinking and Writing Skills: Comparison Essays

Using The Transition Words For a Research Paper

The function of the transition words.

Many things distinguish an average paper from a great one. Achieving greatness sounds like an impossible task. It’s actually simple. The key is knowing what to focus on. A single transition word can change the essay’s sound, making it more precise and concise. Changing the ideas or subjects from one to another gets easier when using transition words in a research paper.

When working on any writing task, it’s vital to make it understandable, easy to follow, and clear for those reading it. There’s nothing worse than an essay that’s confusing. Avoiding confusion is best achieved with research paper transition words. Transitions help establish the bond between groups of ideas.

Helpful Transition Words and Phrases for the Research Papers

If usage of transition words for a body paragraph in research paper or other parts you find unfamiliar, don’t worry. It’s all pretty easy to understand. Most students struggled with writing problem statement for the research paper , and still, they’ve become excellent at writing those over time. The same goes for transitional phrases. Learn the basics, and start implementing transitions.

Demonstrative pronouns — words including that, this, those, and these are often used to express the bond between adjacent sentences. Here’s an example:

“There’re many formulas of coordinate geometry. These (formulas) help calculate different things, including lengths and distances.”

Introductory phrases or words — These are mainly used at the start of the following sentence. They accomplish different things, including adding information, comparing, providing an alternative, giving an example, concluding, etc. Some words and phrases are also, besides, furthermore, moreover, yet, similarly, on the other hand, however, in particular, in fact, in conclusion, therefore, etc.

“The data showed many different factors. Furthermore, it pointed out that factor Y is the most important one.”

These are some general examples of transition words to use in a research paper. These can be used in different parts of it, including the results section of a research paper or other segments that you find more suitable. It all depends on the articles in question and your writing style. One thing is sure — just one transitional phrase can change the study flow and make it more professional. Over time, they’ll become part of all your papers and essays.

Depending on the article and subject, a transition word can be placed in other segments of the article. For example, if suitable, you can add them in the discussion section of your research paper , where you’ll be presenting different ideas and opinions on the topic. You can even use transition words to start a paragraph. Again, it’s up to you. Mix things up, try different options, and keep practicing.

Types of Transition Words

Using good transition words for a research paper is a game changer. The writing task becomes more serious, professional, on-point, and concise with just several phrases. With that said, it’s crucial to start using transitions. If you don’t have time or need assistance, you may consider a  professional research paper writing service , as these are legit and extremely helpful. What’s more, they are available at affordable prices.

Now, let’s go back to transitions. They are used for different purposes. Below you’ll find transition words for conclusion, and you’ll figure out how to use transition words between paragraphs. All are very useful. Start with one word, and you’ll notice how the entire sentence sounds more professional and clearer. Now, let’s explore it all and start learning the basics.

Additive transitions

Let’s explore additives and when they’re used:

When adding more info — Moreover, furthermore, in addition

When pointing to similarities — Likewise, similarly, in a similar way

When specifying — Namely, specifically

Adding references — Regarding, concerning

Here’re some examples:

“Considering all the work that has been completed, we are satisfied.”

“Moreover, the data showed additional evidence.”

Adversative transitions

These are used in many situations, including:

Contrasting — In contrast, when in fact, however, yet, nevertheless

Emphasizing — Indeed, most importantly, primarily, significantly

Offering an alternative — Rather, on the other hand, alternatively

Disbanding the argument — In any case, regardless, either way

“However, the study requires more facts.”

“Most importantly, the results are excellent.”

“Either way, the study was effective.”

Causal transitions

These are often used in academic writing in different occasions, such as:

Signaling the reason — Because of, for the reason, due to, since

Showing the motive/purpose — In the hope that, for the purpose, in order to

Representing the effects — For the reason, thus, accordingly, therefore, for this reason

A few examples:

“Accordingly, the appropriate measures were included.”

“Since all the members are here, we can start.”

Sequential transitions

You’ll see these among helpful academic tips. They help build a structure in articles and essays.

Number organizing — Firstly, initially, secondly

Pointing something out again — as said before, as mentioned, again

Providing a conclusion — In summary, in sum, thus, hence, thus, therefore

“As said before, the results are amazing.”

“Thus, all is well.”

If you find all this too complicated to remember and implement, you may consider getting professional assistance. When you are struggling, are in a hurry, or have lots of work, you may beg your siblings or parents, please, write me a research paper , and you keep repeating the request hoping someone will agree to help you. But, you can always turn to professionals instead and focus on other things.

How to Avoid Plagiarism in Your Research Paper?

Providing 100 % authentic content is beyond important when working on papers and essays. Now, many in college keep wondering how plagiarism can be avoided. The easiest option of all is to explore a super simple and completely free plagiarism checker for students that will make your work easier and simpler in many ways. It’ll help you deliver articles that are original and plagiarism-free.

The checker is very easy to use, and it will ensure your paper is original and has no issues of this kind. Use it to check your essays, papers, and articles, focusing on authenticity and originality. Plus, original work will help you get better grades. If you find this task impossible, you can hire a professional. You can get research papers for sale online from a renowned website. Using their services, you can get a great essay.

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• v.120(47); 2023 Nov 21
• PMC10666101

Sustainability transitions in consumption-production systems

System transitions research and sustainable development: challenges, progress, and prospects, frank w. geels.

a Manchester Institute of Innovation Research, Alliance Manchester Business School, The University of Manchester, Manchester M15 6PB, United Kingdom

Florian Kern

b Institute for Ecological Economy Research, Berlin 10785, Germany

William C. Clark

c Harvard Kennedy School of Government, Harvard University, Cambridge, MA 02138

The central challenge of our age is how to make development sustainable—to assure that it advances people’s well-being in the here and now without unfairly constraining the ability of people elsewhere, or in the future, to advance their own well-being. Efforts to meet that challenge are ultimately political, involving complex struggles over who should and does get what. Research, however, has much to contribute to those struggles by illuminating both where present development pathways are taking us, and what interventions can bend those paths toward sustainability.

The field of sustainability science has been broadly concerned with how the long-term, large-scale interactions of nature and society can be modified to support sustainable development ( 1 ). Within that broad research program, the field has long acknowledged the central role that restructuring contemporary consumption–production systems must play in shaping sustainability transitions. In particular, researchers have focused on understanding how progress toward the ultimate goals of sustainability depends on the consumption of goods and services (e.g., food) that flow from production activities (e.g., farming) that, in turn, draw on (and may reinvest in) the underlying base of natural and anthropogenic resources (e.g., land and climate, labor and harvest equipment) that are the ultimate foundations of development. But while it has become clear that most contemporary consumption–production systems are incompatible with sustainable development, the field of sustainability science has struggled to build more than ad hoc accounts of how the needed transitions can be promoted in those systems ( 2 ).

Fortunately, in parallel with the emergence of sustainability science, a vibrant academic community researching transitions in socio-technical systems coalesced in the early 2000s as an interdisciplinary field of study, drawing on innovation studies, science, and technology studies, history of technology, sociology, integrated assessment modeling, governance, political science, business and management, institutional theory, and consumption studies ( 3 – 5 ). That community of transition scholars has long focused on understanding the long-term development of consumption-production systems ( 6 ) but is increasingly reaching out to incorporate environmental concerns in its work and to address the sustainability of those systems (see ref. 7 ).

We organized this Special Feature to present relevant findings and insights from the transitions research community to a wider sustainability science audience with the goal of promoting mutual exchange and enrichment of ideas. We treat transitions as significant large-scale, long-term changes in the structure, function, and objectives of consumption–production systems. Such transitions may entail changes not only in technologies, markets, and price incentives, but also in knowledge, consumption practices, cultural meanings, business models, infrastructures, policies, institutions, and power structures ( 4 , 8 ). They may bend development pathways away from sustainability as well as toward it. They often take several decades and involve significant efforts by governments as well as a range of other actors such as firms, consumers, and civil society organizations. Current understanding of how and under what conditions sustainability transitions come about is generally situated and context-dependent ( 9 ). We have therefore grounded this Special Feature in research on a selection of specific systems (namely energy, food, and mobility) but also included several papers on emergent cross-cutting topics (see below).

Focal Themes of the Special Feature

This Special Feature focusses on three core aspects of better understanding sustainability transitions.

The first involves the importance of multilevel interactions. Focusing on innovation and the changes it brings about in consumption–production systems, transitions research often uses a multilevel perspective (MLP) ( 4 , 7 , 10 ). The MLP conceptualizes transition as involving multidimensional interactions between radical innovations, which initially emerge in small peripheral niches, and the existing dominant consumption–production system, which is stabilized by multiple lock-in mechanisms and develops along path-dependent trajectories shaped by regime rules and institutions. Developments at both niche and regime levels are shaped by broader exogenous landscape developments (including long-term macroeconomic, geopolitical, and cultural developments as well as shocks, such as wars, financial crises, etc.). One goal of this Special Feature is to highlight how interactions between niche, regime, and landscape levels affect the prospects for sustainability transitions in the energy, mobility, and food systems that are core drivers of increasing degradation of nature by society. These situated meso-level systems are not as grand and abstract as the global economy or the earth system and not as local as particular communities of people exploiting particular ecosystems. They therefore provide an appropriate level of analysis to understand drivers and barriers of change, attempts by a variety of actors to make them more sustainable, and to derive policy and governance recommendations based on this analysis.

Second, while the Special Feature is motivated by the problems created by complex nature–society interactions, the lens of sustainability transitions research leads to a focus on the development and implementation of potential solutions that can fundamentally reconfigure consumption–production systems. The importance of innovation as a driver for sustainability transitions has been identified as an increasingly important issue for future research in sustainability science ( 2 , 11 ). Indeed, a recent editorial in Nature Sustainability suggested that “developing a culture of innovation is critical to successful sustainable development strategy” ( 12 ). Many potential innovations aiming to support solutions for sustainability problems already exist ( Table 1 ). Some focus more on substituting technical components in existing systems (e.g., biofuel cars), while others have deeper system reconfiguration potential. The problem is that many of these innovations are still confined to research and development projects or small market niches and are not yet diffusing at sufficient speed and scale, although significant progress has been made with wind turbines, solar photovoltaic, and electric vehicles. Across three core consumption-production systems, articles in the Special Feature investigate the drivers, barriers, and transformative potential of various innovations.

Examples of innovations to promote sustainability in mobility, food, and energy systems

Third, understanding sustainability transitions requires a stronger and more differentiated analysis of the processes of change , which address both the patterns of change and underlying causal processes and mechanisms. The Special Feature thus responds to recent contributions in this journal that call for better analyses of real-world processes of long-term change that capture the coevolutionary interactions among actors, institutions, and innovations, which over time can reconfigure consumption–production systems in more sustainable directions ( 13 – 15 ).

A fourth theme is how to speed up and influence the direction of such processes ( 16 ). This is crucial since historical transitions have often been slow, decades-long processes. In light of the pressing sustainability challenges outlined above, societies need to accelerate as well as guide transitions towards more sustainable development pathways.

In summary, the Special Feature papers use the MLP as “big picture” framework but additionally mobilize insights and concepts from various relevant disciplines (including innovation studies, political science, sociology, and business studies) to understand the processes and (inter)actions of many actors and social groups.

Special Feature Contributions

The Special Feature contains nine papers that focus on innovations and developments in three consumption–production systems (electricity, mobility, and food), four papers that focus on cross-cutting issues, and our own integrative Perspective. For each of the three consumption–production systems, the Special Feature contains one Perspective paper that assesses long-term pathways of development in recent decades and the drivers and barriers of the currently unfolding sustainability transition, plus two papers that analyze a particular innovation, zooming in on relevant activities and dimensions of change. Additionally, four cross-cutting papers address core dynamics in transitions: the role of exogenous landscape shocks (which is increasingly important as the COVID pandemic, Putin’s war, and gas price crisis have shown), the decline of existing systems (which is the flip side of innovation in transitions), multisystem or “nexus” interactions (to account for interactions between different consumption-production systems in transitions), and the role of policy and politics in transitions (to explore the crucial political dimensions of transitions and articulate strategic and practical insights for steering sustainability transitions).

The integrative Perspective by Geels et al. ( 9 ) synthesizes the state of the art of sustainability transitions research and the papers of the Special Feature to provide insights with regard to core characteristics of sustainability transition processes: multilevel understanding of innovation, horizontal connections, reconfiguration rather than substitution, temporality and feedbacks, and tensions between depth and speed of change. In light of the gained understanding of how long-term, multidimensional, and multiactor transition processes unfold, that Perspective paper also spells out some ideas about possibilities for governing transitions.

Electricity System.

In their Perspective paper, Pearson and Watson ( 17 ) present a long-term analysis of the development of the UK electricity system since the Second World War. They distinguish between three different time periods in which major changes in governance led to major changes in the configuration of the electricity system. The first two periods involved the development of an increasingly centralized, integrated system that provided electricity to meet growing post-war demand, first under a nationalized approach and then under a privatization/liberalization agenda. The third period, which started around 2000, was driven by increasing concerns about climate change that led to a more interventionist governance approach to foster decarbonization. Actions and interactions between policymakers, firms, civil society, and users led to a 68% emissions reduction between 2006 and 2019, due to declining coal use, increasing renewables, and decreasing overall electricity demand ( 18 ). Nevertheless, the authors suggest that there is still quite some way to go to achieve a genuinely sustainable electricity system in the United Kingdom. This Perspective paper shows the long-term dynamics of changes in consumption-production systems as influenced by the interaction of technological and governance branching points and enabled (in one case) by landscape-level environmental trends. It thereby emphasizes the important role of governance in such transitions since in all three periods changes in governance led to radical changes in the system configuration. It also emphasizes the political struggles about the appropriate governance arrangements and technological trajectories in sustainability transitions. This provides an important contrast to solely technologically driven accounts of transitions.

Hess ( 19 ) analyses the development of distributed small-scale solar energy in the United States from the 1970s to the present, focusing on political conflicts and struggles between advocacy coalitions associated with the solar photovoltaic niche and incumbent coalitions associated with coal and nuclear power regime in four different periods. His analysis of tactics, goals, and actor coalitions and wider contexts shows that incumbents have long been able to stall the expansion of small-scale solar energy but that recent developments in energy storage, microgrids, digitized systems, and virtual power plants open the prospect of convergence because small-scale solar can be integrated into the existing electricity system configuration. The paper thus contributes to deeper understandings of change processes over long time periods, including the role of landscape-level developments and political struggles between new entrants and vested interests.

The paper by Lockwood ( 20 ) picks up on two core aspects of the previous two papers, namely the important role of governance and the challenges posed by moving towards more distributed, small-scale sustainable electricity systems, particularly for the electricity grid infrastructure. Arguing that existing analyses of electricity systems transition often analyze decarbonization of power generation, Lockwood focuses on the crucial grid infrastructure which connects consumption and production. His empirical analysis of the electricity grid in Great Britain shows slow, uneven, or even dysfunctional changes in the past two decades, with the grid often constraining other changes in the electricity system. The paper shows misalignments between high-level political ambitions for grid transformation and their real-world implementation in grid codes, change initiatives, and incentives. It also shows that patterns of grid ownership and grid regulation protect incumbent actors and make it difficult for new actors to drive change in more (also socially) sustainable directions. This paper also demonstrates how the important interplay between technological developments and social and political processes affects the speed and direction of transitions.

Mobility System.

In his Perspective paper, Wells ( 21 ) describes how the automobility system diffused globally after the Second World War, stabilized through technical, economic, political, and socio-cultural lock-in mechanisms, and over the past decade faced increasing sustainability pressures regarding climate change, air pollution, and accidents. His analysis shows that in response to these pressures, the automobility system is being reinvented and reconfigured rather than being displaced through the incorporation of various niche innovations (e.g., electric vehicles, smart mobility, platform-enabled sharing services such as ride hailing and car sharing). These reconfigurations are enabled and driven by the confluence with other systems such as the Information and Communication Technology system, the electricity system, and the housing system. Like the Lockwood paper ( 20 ), Wells’ article shows the resilience of existing consumption–production systems in the context of sustainability pressures, demonstrating that incumbent actors are willing to implement technical changes that do not threaten the core of the existing system. His analysis also implies that without significant policy intervention, the mobility system will remain car-based rather than undergoing a radical transition to a less car-centered system.

Focusing on an important technical innovation, Ryghaug and Skjølsvold ( 22 ) analyze the emergence and diffusion of electric vehicles in Norway, where 65% of new car sales were electric in 2021, making it the global frontrunner. Their 30-y analysis shows the importance of adjustments in policies, consumer routines, and advocacy group strategies. The paper also highlights that electric vehicles are beginning to have wider transformative knock-on effects on local electricity grids (through the implementation of demand-side management, smart grids, and grid strengthening to accommodate battery-charging at home) and on Norway’s decarbonization strategy, which in the footsteps of the electric vehicles success increasingly centers on electrification (of cars, buses, ferries, heating, and industry) and on the building of battery factories along the coast. The paper thus contributes to the understanding of change processes in sustainability transitions, especially the role of learning processes leading to adjustments in policy strategies and social practices. It also highlights an important change pattern, namely that a technical component change (a shift to electric vehicles) may trigger further system reconfigurations (see also ref. 18 ). This is similar to the electricity system, where the diffusion of intermittent renewables (wind, solar photovoltaic) is triggering further innovations such as electricity storage, smart grids, and demand-side response as the Lockwood ( 20 ) and Pearson and Watson papers ( 17 ) showed.

Meelen and Münzel ( 23 ) focus on the social innovation of car sharing, which can offer sustainability benefits in terms of changing user practices as well as car ownership patterns. While car sharing is a relatively niche practice so far, it has seen some growth. Using a variety of different data sources, including consumer surveys, geographical location data, and qualitative interviews, Meelen and Münzel analyze the upscaling trajectory of car sharing in the Netherlands taking into account a variety of economic, technological, socio-cultural, and policy factors that shape car-sharing growth. Their analysis demonstrates how car ownership is entrenched in the social, material, and economic fabric, which poses particular barriers for car sharing. They also find that different car-sharing business models (such as peer-to-peer or business-to-consumer) have different environmental outcomes, with peer-to-peer sharing likely to further entrench unsustainable car ownership patterns. Their analysis shows that social innovations like car sharing tend to diffuse more slowly than technological innovations like electric vehicles. Their analysis also demonstrates the utility of going beyond techno-economic analyses of diffusion patterns. Their processual and systemic analysis shows how the dominant regime (in which car ownership is culturally entrenched) strongly influences the car-sharing development trajectory but also how actor struggles over the direction of the innovation’s trajectory influence the potential environmental performance.

Food System.

In their Perspective paper, Lamine and Marsden ( 24 ) analyze developments in UK and French food systems over three periods: agricultural modernization and intensification based on high inputs (1950 to 1985), ecological modernization to address unintended consequences such as environmental problems and overproduction (1985 to 2008), the emergence and proliferation of radical niche innovations (2008 to 2020). One important contribution to better understanding change processes is that the increasing food system diversification in peripheral niches is not yet leading to wider food system transitions in more sustainable directions. Another important finding and contribution is that niche innovations that fit better with the existing regime (e.g., climate-smart agriculture, sustainable intensification) are diffusing faster than more radical niche innovations (e.g., agroecology, regenerative agriculture, alternative food networks with short supply chains). This aligns with the mobility system papers, which show that technical replacement innovations (like electric vehicles) diffuse faster than social innovations (like car sharing). Their comparative analysis also shows that differences in the dominant actor coalitions lead to different change trajectories, with the French food system showing greater prevalence of agroecology and alternative food networks.

The paper by Schiller et al. ( 25 ) more deeply analyzes the emergence and diffusion of agroecology in Nicaragua, which is one of the world’s leading countries in this innovation requiring substantial changes in farming practices. Focusing on knowledge flows over a 40-y period, the paper shows how new ideas and practices emerged through local experimentation and trial-and-error initiatives in the first period (1986 to 1997), how knowledge and best practices stabilized in the second period (1988 to 2006) through systematization, standardization, and codification, and how they spread more widely in the third period (2007 to 2022) through national congresses, alliances between firms, policymakers, and civil society organizations and were anchored in regulations and standards. The paper deepens our understanding of the emergence and stabilization of radical innovations, showing that different actors play varying roles in subsequent periods. It also shows that intermediary actors such as the Nicaraguan Environmental Movement and the Alliance for Agroecology play especially significant roles in connecting and brokering disparate actors and learning experiences.

Many of the environmental concerns associated with currently dominant food systems stem from animal-based agriculture. Mylan et al. ( 26 ) therefore focus their analysis on the emerging “protein” transition where animal-derived foods are replaced with alternative proteins. They analyze the development of four alternative protein innovations (ranging from Quorn to cultured meat) over the past three decades and explain the recent acceleration of their diffusion. Mylan et al. find an increasing corporate engagement with alternative protein development and diffusion which could potentially be a sign for a wider corporate reorientation of regime incumbents (including large meat processors such as Brazil’s JBS food company and the US firms Tyson and Cargill), due to increasing pressures on the animal agriculture system because of a scientific consensus and societal awareness of the links between climate change and animal-produce intensive diets. Despite these pressures for change, political, regulatory, and cultural barriers remain and unevenly affect the prospects of the four innovations in the analysis. The paper shows a partial destabilization of the currently dominant animal food regime and a tentative reorientation across Europe and the United States but also that a potential alternative protein transition is still in its early phases. It therefore hints at the importance of niche-regime interactions as well as their timing: To what extent a regime destabilization leads to a rapid transition is partly based on the development of alternatives.

Cross-Cutting Papers.

Turning to the papers on cross-cutting topics, Johnstone and Schot ( 27 ) analyze the role of exogenous “landscape” shocks in transitions. They distinguish two kinds of mechanisms, which they illustrate with two historical case studies. The first and well-known mechanism is that an external shock disrupts the existing regime, which creates a window of opportunity for the diffusion of relatively stabilized niche innovations. Although the 1973 oil crisis created such a window, this did not lead to a transition because niche innovations were insufficiently developed. The second mechanism, which they call “imprinting”, refers to very large and prolonged shocks that cause such devastation and trauma that they significantly change regimes, leading to new policy capacities and directionalities or goals. They present the Second World War as an example, which led to more interventionist government roles and drives to use oil in post-war heating, agricultural, transport, and electricity systems. The authors also discuss the implications of their findings with regard to the potentially transformative effects of the COVID-19 pandemic and Russia’s attack on Ukraine.

While innovation is certainly a core component of sustainability transitions, the literature has recently also turned to the “flip side” of innovation, which is the destabilization and eventual decline of established consumption-production systems. In his paper, Turnheim ( 28 ) uses a case study of the historical dismantling of electric tramways in France to shed light on the dynamics of destabilization and decline of systems. The analysis proposes a framework of three interacting destabilization mechanisms, which are the build-up of external pressures, strategic responses by dominant system actors, and weakening commitments to reproductive activities. His analysis finds that the decline of tramways in France followed a gradual erosion pattern which resulted from a long-term degradation of technical, political, and economic conditions and that was then accelerated by a relatively rapid political phase-out program. The paper concludes with reflections about the multiple forms that destabilization and phase-out processes can take and the kinds of governance questions these pose. Amongst the most important ones are, of course, concerns about socially just transitions and how the governance of decline should try to avoid leaving affected communities behind.

Another recent advance within the sustainability transitions research agenda is an increasing interest in interactions between different consumption–production systems during transitions. The paper by Andersen et al. ( 29 ) argues that low-carbon transitions will significantly alter resource flows between systems, which requires the building of new connections or nexuses. Focusing on the electrification of Norwegian ferries, which require the building of battery charging technologies and connections to the electricity grid, they develop a system interface perspective that captures the main processes with regard to technologies, resources, actors, and institutions. Their analysis shows that nexus building was initially characterized by conflicts, tensions, and misalignments across all these dimensions, with electricity actors particularly reluctant to accommodate charging and grid connection requests. The subsequent diffusion of electric ferries therefore involved asymmetric adjustments in nexus building, with maritime actors making the greatest adjustments in institutions, capabilities, and technologies, including the deployment of suboptimal workaround solutions. This poses an important challenge to existing transition theories, which assume that problems are ironed out in the emergence phase (through learning processes, negotiations, and network building) which then enable diffusion of stabilized new systems.

Meadowcroft and Rosenbloom’s paper ( 30 ) focusses on the challenging politics of governing the transition to net zero carbon emissions. Using transitions theory, it sets out some of the core ideas of how governments can proactively influence the direction and speed of sustainability transitions. They emphasize the need to focus on sector and regional transitions, to link climate policy to other societal goals, and to adopt policies appropriate to the transition phase. The article also discusses recent policy and politics-related findings from the sustainability transitions literature including on the need for comprehensive and targeted policy mixes, the importance of transition intermediaries, and the key role that green industrial policy can play in fostering sustainability transitions. Their contribution therefore highlights the political nature of transition processes and reflects on the most recent thinking about how governments can proactively influence sustainability transitions. It thereby provides an excellent entry point for sustainability science scholars to enrich their own thinking about how policy can foster sustainable development as well as constructively critiquing some of the policy recommendations coming out of the sustainability transitions community.

The Special Feature papers on the electricity, mobility, and food systems show that sustainability transitions are unfolding at different speed and depth in the three focal systems because of different techno-economic developments and socio-political activities across niche, regime, and landscape levels. They have progressed farthest in the electricity system, where the diffusion of new renewables (especially solar photovoltaic and wind) since the late 2000s is leading to substantial changes in electricity production, grids, and consumption. They are beginning to unfold in the (auto)mobility system, where the diffusion of electric vehicles has accelerated in recent years, reaching almost 9% of the global car market in 2021, while other (social) innovations like car sharing receive less attention, funding, and support. Sustainability transitions appear to be in early phases in food systems ( 31 ), although plant-based products are beginning to challenge animal-based ones in some countries ( 32 , 33 ). The papers also show interesting differences in terms of the actors driving change and in the political controversies associated with the speed and direction of change.

The papers on the cross-cutting dimensions show the importance of external shocks in sustainability transitions, which is likely to become pertinent as sustainability problems worsen in the coming years; the relevance of regime destabilization and decline, which is partly driven by diffusing niche innovations but also has its own salient dynamics, including delegitimization and declining commitment of incumbent actors; the interactions and nexus between multiple consumption–production systems because these systems do not operate in isolation; and the pervasive character of politics because sustainability transitions will affect the interests of very large and well-connected industries (e.g., oil and gas, automotive, electric utilities, food processing and retail, housebuilders).

All accounts illustrate the multidimensional nature of sustainability transition processes which cannot be reduced to purely technological or economic explanations. Instead, the papers show the importance of understanding sustainability transitions as multilevel, systemic, incomplete, and contested processes, in which innovation plays an essential role that is always shaped by and contributing to social, political, economic, and cultural developments.

The Special Feature confirms that the communities focused on social-environmental interactions and communities focused on social-technological interactions could benefit from closer interaction, with the latter offering the former a more nuanced and embedded view of innovation and transition dynamics, and former reminding the latter that the natural environment matters in sustainability transitions.

Acknowledgments

This paper introduces the PNAS Special Feature on “Sustainability Transitions in Consumption-Production Systems.” We thank for their insights authors of the other contributions to the Special Feature, whose names and paper titles are cited in the text. We acknowledge the support from Italy’s Ministry for Environment, Land and Sea through its gift to Harvard University’s Sustainability Science Program (W.C.C.). We thank the PNAS Editorial Board and staff for inviting this Special Feature, for supporting its development, and for ensuring its availability without a paywall barrier.

Author contributions

F.W.G., F.K., and W.C.C. wrote the paper.

Competing interests

The authors declare no competing interest.

This paper is part of a Special Feature on Sustainability Transitions in Consumption-Production Systems. The collection of all PNAS Special Features in the Sustainability Science portal is available here: https://www.pnas.org/sustainability-science .

Facility for Rare Isotope Beams

At michigan state university, frib researchers lead team to merge nuclear physics experiments and astronomical observations to advance equation-of-state research, world-class particle-accelerator facilities and recent advances in neutron-star observation give physicists a new toolkit for describing nuclear interactions at a wide range of densities..

For most stars, neutron stars and black holes are their final resting places. When a supergiant star runs out of fuel, it expands and then rapidly collapses on itself. This act creates a neutron star—an object denser than our sun crammed into a space 13 to  18 miles wide. In such a heavily condensed stellar environment, most electrons combine with protons to make neutrons, resulting in a dense ball of matter consisting mainly of neutrons. Researchers try to understand the forces that control this process by creating dense matter in the laboratory through colliding neutron-rich nuclei and taking detailed measurements.

A research team—led by William Lynch and Betty Tsang at FRIB—is focused on learning about neutrons in dense environments. Lynch, Tsang, and their collaborators used 20 years of experimental data from accelerator facilities and neutron-star observations to understand how particles interact in nuclear matter under a wide range of densities and pressures. The team wanted to determine how the ratio of neutrons to protons influences nuclear forces in a system. The team recently published its findings in Nature Astronomy .

“In nuclear physics, we are often confined to studying small systems, but we know exactly what particles are in our nuclear systems. Stars provide us an unbelievable opportunity, because they are large systems where nuclear physics plays a vital role, but we do not know for sure what particles are in their interiors,” said Lynch, professor of nuclear physics at FRIB and in the Michigan State University (MSU) Department of Physics and Astronomy. “They are interesting because the density varies greatly within such large systems.  Nuclear forces play a dominant role within them, yet we know comparatively little about that role.” 

When a star with a mass that is 20-30 times that of the sun exhausts its fuel, it cools, collapses, and explodes in a supernova. After this explosion, only the matter in the deepest part of the star’s interior coalesces to form a neutron star. This neutron star has no fuel to burn and over time, it radiates its remaining heat into the surrounding space. Scientists expect that matter in the outer core of a cold neutron star is roughly similar to the matter in atomic nuclei but with three differences: neutron stars are much larger, they are denser in their interiors, and a larger fraction of their nucleons are neutrons. Deep within the inner core of a neutron star, the composition of neutron star matter remains a mystery. 

  “If experiments could provide more guidance about the forces that act in their interiors, we could make better predictions of their interior composition and of phase transitions within them. Neutron stars present a great research opportunity to combine these disciplines,” said Lynch.

Accelerator facilities like FRIB help physicists study how subatomic particles interact under exotic conditions that are more common in neutron stars. When researchers compare these experiments to neutron-star observations, they can calculate the equation of state (EOS) of particles interacting in low-temperature, dense environments. The EOS describes matter in specific conditions, and how its properties change with density. Solving EOS for a wide range of settings helps researchers understand the strong nuclear force’s effects within dense objects, like neutron stars, in the cosmos. It also helps us learn more about neutron stars as they cool.

“This is the first time that we pulled together such a wealth of experimental data to explain the equation of state under these conditions, and this is important,” said Tsang, professor of nuclear science at FRIB. “Previous efforts have used theory to explain the low-density and low-energy end of nuclear matter. We wanted to use all the data we had available to us from our previous experiences with accelerators to obtain a comprehensive equation of state.”   

Researchers seeking the EOS often calculate it at higher temperatures or lower densities. They then draw conclusions for the system across a wider range of conditions. However, physicists have come to understand in recent years that an EOS obtained from an experiment is only relevant for a specific range of densities. As a result, the team needed to pull together data from a variety of accelerator experiments that used different measurements of colliding nuclei to replace those assumptions with data. “In this work, we asked two questions,” said Lynch. “For a given measurement, what density does that measurement probe? After that, we asked what that measurement tells us about the equation of state at that density.”   

In its recent paper, the team combined its own experiments from accelerator facilities in the United States and Japan. It pulled together data from 12 different experimental constraints and three neutron-star observations. The researchers focused on determining the EOS for nuclear matter ranging from half to three times a nuclei’s saturation density—the density found at the core of all stable nuclei. By producing this comprehensive EOS, the team provided new benchmarks for the larger nuclear physics and astrophysics communities to more accurately model interactions of nuclear matter.

The team improved its measurements at intermediate densities that neutron star observations do not provide through experiments at the GSI Helmholtz Centre for Heavy Ion Research in Germany, the RIKEN Nishina Center for Accelerator-Based Science in Japan, and the National Superconducting Cyclotron Laboratory (FRIB’s predecessor). To enable key measurements discussed in this article, their experiments helped fund technical advances in data acquisition for active targets and time projection chambers that are being employed in many other experiments world-wide.   

In running these experiments at FRIB, Tsang and Lynch can continue to interact with MSU students who help advance the research with their own input and innovation. MSU operates FRIB as a scientific user facility for the U.S. Department of Energy Office of Science (DOE-SC), supporting the mission of the DOE-SC Office of Nuclear Physics. FRIB is the only accelerator-based user facility on a university campus as one of 28 DOE-SC user facilities .  Chun Yen Tsang, the first author on the Nature Astronomy  paper, was a graduate student under Betty Tsang during this research and is now a researcher working jointly at Brookhaven National Laboratory and Kent State University. 

“Projects like this one are essential for attracting the brightest students, which ultimately makes these discoveries possible, and provides a steady pipeline to the U.S. workforce in nuclear science,” Tsang said.

The proposed FRIB energy upgrade ( FRIB400 ), supported by the scientific user community in the 2023 Nuclear Science Advisory Committee Long Range Plan , will allow the team to probe at even higher densities in the years to come. FRIB400 will double the reach of FRIB along the neutron dripline into a region relevant for neutron-star crusts and to allow study of extreme, neutron-rich nuclei such as calcium-68. 

Eric Gedenk is a freelance science writer.

Michigan State University operates the Facility for Rare Isotope Beams (FRIB) as a user facility for the U.S. Department of Energy Office of Science (DOE-SC), supporting the mission of the DOE-SC Office of Nuclear Physics. Hosting what is designed to be the most powerful heavy-ion accelerator, FRIB enables scientists to make discoveries about the properties of rare isotopes in order to better understand the physics of nuclei, nuclear astrophysics, fundamental interactions, and applications for society, including in medicine, homeland security, and industry.

The U.S. Department of Energy Office of Science is the single largest supporter of basic research in the physical sciences in the United States and is working to address some of today’s most pressing challenges. For more information, visit energy.gov/science.

• Publications

Transforming Energy Demand

In this paper, the Transforming Energy Demand initiative outlines actions for businesses and countries to enhance energy management, efficiency and carbon intensity reduction. It highlights commercially beneficial levers, implementable with existing technologies, to impact the transition significantly.

Adopting measures for energy-efficient output and service delivery is essential for businesses and countries to sustain economic growth and achieve net-zero goals.

As the global population and energy demand rise, particularly in developing markets, implementing public policies and fostering value chain collaborations are key to managing energy consumption and reducing carbon intensity. This will help mitigate energy costs and supply issues and unlock commercial benefits, thereby accelerating the transition. At COP28, over 120 countries committed to doubling the pace of energy efficiency improvement, necessitating concrete, realistic plans.

World Economic Forum reports may be republished in accordance with the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License , and in accordance with our Terms of Use .

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