Short science abstracts that avoid jargon and hype are cited less, study shows

May 1, 2015, University of Chicago
Credit: Charles Rondeau/public domain

When writing the abstracts for journal articles, most scientists receive similar advice: keep it short, dry, and simple. But a new analysis by University of Chicago researchers of over one million abstracts finds that many of these tips backfire, producing abstracts cited less than their long, flowery, and jargon-filled peers.

The study, published in PLoS Computational Biology, suggests that most general writing rules are not as effective in , which may reflect the influence of online search upon how science is discovered and consumed today.

"What I think is funny is there's this disconnect between what you'd like to read, and what scientists actually cite," said Stefano Allesina, professor of evolution and ecology at the University of Chicago, Computation Institute fellow and faculty, and senior author of the study. "It's very suggestive that we should not trust writing tips we take for granted."

During a seminar for incoming graduate students on how to write effective abstracts, Allesina wondered whether there was hard evidence for the "rules" that were taught. So Allesina and Cody Weinberger, a University of Chicago undergraduate, gathered hundreds of writing suggestions from scientific literature and condensed them into "Ten Simple Rules," including "Keep it short," "Keep it simple," "Signal novelty and importance," and "Show confidence."

The authors, which also include University of Chicago associate professor of sociology, Computation Institute Senior Fellow, and director of Knowledge Lab James Evans, then collected one million abstracts from disciplines such as biology, chemistry, geology, and psychology, and tested how the above rules affected a paper's citations, relative to other papers in the same journal. For example, testing "Keep it short," looked at the relationship between the number of words or sentences in an abstract and subsequent citations.

This particular analysis found that shorter abstracts led to fewer citations across all disciplines tested—a refutation of the idea that "brief is better." Other tests found that using more adjectives, adverbs, uncommon words, signals of novelty and importance, and "pleasant" words boosted citations, despite frequent warnings or rules against using each of these features.

Taken together and literally, the results would advise using a "lengthy, convoluted, highly-indexible, self-describing abstract" to attract more citations. But the authors don't actually recommend that approach.

"If you were to follow all the rules, it would be absolutely horrible, terrible to read," Allesina said. "I would discount the suggestions you are typically given, but I would not blindly embrace those we provide. There's no magic trick; you have to write good papers and good abstracts, and it has to make sense."

However, "more might be more, rather than less," Evans suggests. "In an era of online searching, a more complete description can attract more eyeballs, the results of more searches and, ultimately, more attention and acclaim."

The authors hypothesize that the results reflect changing patterns of scientific discovery and consumption, as researchers access articles online instead of in print. Many commonly used databases, such as PubMed or Web of Science, search only abstracts when a user submits a query. As a result, longer abstracts with more specific words about the research within the full paper are more likely to be found, and subsequently cited.

Regardless of the reason for the relationship, the results suggest that journals do a disservice to scientists and their research by enforcing low word counts for abstracts. Instead of writing constraints, science indexes that search the full text of articles would be more effective at helping scientists find relevant research, Allesina proposed.

"My feeling is that with these word limits, the stricter the worse," Allesina said. "It's completely unnecessary in this day and age, when articles are rarely printed."

Explore further: International collaborations produce more influential science, analysis finds

More information: "Ten Simple (Empirical) Rules for Writing Science." PLoS Comput Biol 11(4): e1004205. DOI: 10.1371/journal.pcbi.1004205

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not rated yet May 01, 2015
I would hypothesize a 'cover your butt' syndrome because ambiguity is harder to challenge? And yes I'm saying more jargon leads to more not less ambiguity. Check out our legal system if you don't believe it, try and read a law sometime.
not rated yet May 02, 2015
Could it be that shorter more simple abstracts described research in this way because that work was less complex and contained less nuances? And that such work because of this had less occasions to be cited?
not rated yet May 02, 2015
Could it be that shorter more simple abstracts described research in this way because that work was less complex and contained less nuances? And that such work because of this had less occasions to be cited?

I was thinking the same thing. In my experience you write the abstract and then seriously have to pare it down in order to fit under the maximum words limbo-bar. If you have words to spare afterwards then the content is likely lacking.

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