Berna Devezer: Claims about scientific rigour require rigour
Protzko et al. describe a project in which internal tests of pilot-tested hypotheses and independent replications embraced “rigour-enhancing practices” such as confirmatory tests, large sample sizes, preregistration and methodological transparency. The authors report a high estimate of replicability, which, in their appraisal, “justifies confidence in rigour-enhancing methods to increase the replicability of new discoveries”. However, replicability was not the original outcome of interest in the project, and analyses associated with replicability were not preregistered as claimed. Instead of…
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