P-hacking

Definition: Exploiting techniques that may artificially increase the likelihood of obtaining a statistically significant result by meeting the standard statistical significance criterion (typically α = .05) . For example, performing multiple analyses and reporting only those at p < .05, selectively removing data until p < .05, selecting variables for use in analyses based on whether those parameters are statistically significant.

Related terms: Analytic flexibility, Fishing, Garden of forking paths, HARKing, Questionable Research Practices or Questionable Reporting Practices (QRPs) , Selective reporting

Reference: Hardwicke et al. (2014); Neuroskeptic (2012)

Drafted and Reviewed by: Mahmoud Elsherif, Tamara Kalandadze, William Ngiam, Sam Parsons, Martin Vasilev

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