A newly released MIT working paper, featured on Wednesday, September 20th’s Wikimedia Monthly Research Showcase, demonstrates the surprising scientific power of Wikipedia.

Neil C. Thompson, assistant professor of Technological Innovation at the Sloan School at MIT and a colleague, Douglas Hanley from the University of Pittsburgh, studied the power of Wikipedia, the 5th most used website in the world, and found that the website can have a profound impact on scientific literature.

Thompson and his colleagues commissioned graduate students in chemistry to create new Wikipedia articles on scientific topics missing from Wikipedia. These newly-created articles were then randomized with half being added to Wikipedia and half being held back. The articles they uploaded got thousands of views per month, and later investigation revealed that researchers writing in the scientific literature were more likely to use the words from the uploaded articles than the ones held-back.

“Our research shows that scientists are using Wikipedia and that it is influencing how they write about the science that they are doing,” says Thompson. “Wikipedia isn’t just a record of what’s going on in science, it’s actually helping to shape science.”

The authors find that, for a typical article in the field, Wikipedia is influencing one word in every three-hundred. The effect is also stronger for developing counties where scientists may have less access to traditional science journals. “Public sources of scientific information such as Wikipedia,” says Thompson, “are incredibly important for spreading knowledge to people who are not usually part of the conversation.”

“We hope that funding agencies take note,” said Hanley. “This is a very cost-effective way to enhance the dissemination scientific knowledge.”

This study shows that increased provision of information in accessible repositories, such as Wikipedia, is an important way to advance science and make science more inclusive.

YouTube with Wikimedia Monthly Research Showcase was streamed on YouTube, the morning of Wednesday, September 20. (Read the full paper here on SSRN. Science is Shaped by Wikipedia: Evidence from a Randomized Control Trial.)

Material from a press release was used in this report.

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