【科学60秒】老板，我刷微博是为了工作！

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In science, ___1____ are gold. A journal article that gets cited a lot is usually considered a valuable piece of work. Now comes a study claiming that the number of times a paper gets tweeted in the first three days after it's published is a decent indicator of how often it will eventually get cited. The study is in the Journal of Medical Internet Research and was done by the editor, Gunther Eysenbach, of the University of Toronto. ["Can Tweets Predict Citations? Metrics of Social Impact Based on Twitter and Correlation with Traditional Metrics of Scientific Impact"]

Eysenbach tracked more than 4200 ___2____ that cited 286 articles in his own journal. Three quarters of articles that got tweeted a lot (or, to use the study’s nomenclature, had a lot of tweetations) turned out to get a lot of citations. Only 7 percent of poorly tweeted pieces wound up highly cited. As the article notes: "Social media activity either increases citations or reflects the ____3___ qualities of the article that also predict citations." But I predict that young researchers who use social media to the ___4____ of their administrators will cite this journal article. Or tweet about it.  

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