alexa False-positive psychology: undisclosed flexibility in data collection and analysis allows presenting anything as significant.
Nursing

Nursing

Journal of Community & Public Health Nursing

Author(s): Simmons JP, Nelson LD, Simonsohn U

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Abstract In this article, we accomplish two things. First, we show that despite empirical psychologists' nominal endorsement of a low rate of false-positive findings (≤ .05), flexibility in data collection, analysis, and reporting dramatically increases actual false-positive rates. In many cases, a researcher is more likely to falsely find evidence that an effect exists than to correctly find evidence that it does not. We present computer simulations and a pair of actual experiments that demonstrate how unacceptably easy it is to accumulate (and report) statistically significant evidence for a false hypothesis. Second, we suggest a simple, low-cost, and straightforwardly effective disclosure-based solution to this problem. The solution involves six concrete requirements for authors and four guidelines for reviewers, all of which impose a minimal burden on the publication process. This article was published in Psychol Sci and referenced in Journal of Community & Public Health Nursing

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