"Small samples can be sufficient to detect large effects. However, small effects require large samples. The probability of replicating a published finding is a function of sample size and effect size. The Replicability Index (R-Index) makes it possible to use information from published results to predict how replicable published results are." ... Five years later, Kahneman’s concerns have been largely confirmed. Major studies in social priming research have failed to replicate and the replicability of results in social psychology is estimated to be only 25%" Daniel Kahneman: "The lesson I have learned, however, is that authors who review a field should be wary of using memorable results of underpowered studies as evidence for their claims."
