Improving the replicability and reproducibility of research published in the Journal of Research in Personality

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Abstract

This editorial provides discusses the replicability and reproducibility of research published in the Journal of Research in Personality (JRP). the editorial team at the JRP is continually looking for ways to improve the quality of research that is published in the pages. A major problem in the field has been small sample sizes and a general lack of power and precision. This not only leads to problems detecting effects that actually exist, it also results in lower precision in parameter estimates and systematically inflated effect size estimates. In addition, articles with large numbers of low-powered studies, all of which find statistically significant support for a finding, paradoxically provide less support for a phenomenon than papers that report some failures to reach statistical significance. Given the importance of power and precision, the authors are strongly encouraged to consider these issues when planning studies. Authors who submit to JRP should ensure that their studies are adequately powered, and they should provide a discussion of power in their papers. Specifically, authors should discuss what size effect they expect to find, defend this expectation by referring to relevant prior empirical work and estimate the power to detect the expected effect with the sample size that is planned. (PsycINFO Database Record (c) 2013 APA, all rights reserved)

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APA

Lucas, R. E., & Brent Donnellan, M. (2013, August). Improving the replicability and reproducibility of research published in the Journal of Research in Personality. Journal of Research in Personality, 47(4), 453–454. https://doi.org/10.1016/j.jrp.2013.05.002

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