No, average statistical power is not as high as you think: Tracing a statistical error as it spreads through the literature

I was reading this recently published article by Sakaluk et al. and came across a striking claim: Despite recommendations that studies be conducted with 80% power for the expected effect size, recent reviews have found that the average social science study possesses only a 44% chance of detecting an existing medium-sized true effect (Szucs & …