We have empirically assessed the distribution of published effect sizes and estimated power by analyzing 26,841 statistical records from 3,801 cognitive neuroscience and psychology papers published recently. The reported median effect size was D = …
Pre-registration promises to address some of the problems with traditional peer-review. As we publish our first Registered Report, we take stock of two years of submissions and the future possibilities of this approach.
Preregistration is a tool to enhance the reliability of science that has been promoted as a normative requirement for the award of grants or the acceptance of publications. I argue that: (a) preregistration addresses an important need, (b) it offers …