Publication bias in the social sciences: Unlocking the file drawer

TitlePublication bias in the social sciences: Unlocking the file drawer
Publication TypeJournal Article
AuthorsFranco, Annie, Neil Malhotra, and G. Simonovits
Journal titleScience

We studied publication bias in the social sciences by analyzing a known population of conducted studies—221 in total—in which there is a full accounting of what is published and unpublished. We leveraged Time-sharing Experiments in the Social Sciences (TESS), a National Science Foundation–sponsored program in which researchers propose survey-based experiments to be run on representative samples of American adults. Because TESS proposals undergo rigorous peer review, the studies in the sample all exceed a substantial quality threshold. Strong results are 40 percentage points more likely to be published than are null results and 60 percentage points more likely to be written up. We provide direct evidence of publication bias and identify the stage of research production at which publication bias occurs: Authors do not write up and submit null findings.

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Department of Political Science
Doctoral School of Political Science, Public Policy and International Relations
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