Do Studies of Statistical Power Have an Effect on the Power of Studies ?

@inproceedings{Sedlmeier2004DoSO,
title={Do Studies of Statistical Power Have an Effect on the Power of Studies ?},
author={Peter Sedlmeier and Gerd Gigerenzer},
year={2004}
}

The long-term impact of studies of statistical power is investigated using J. Cohen's (1962) pioneering work as an example. We argue that the impact is nil; the power of studies in the same journal that Cohen reviewed (now the Journal of Abnormal Psychology) has not increased over the past 24 years. In 1960 the median power (i.e., the probability that a significant result will be obtained if there is a true effect) was .46 for a medium size effect, whereas in 1984 it was only .37. The declineâ€¦Â CONTINUE READING