Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Power | Proportion Published | Unstandardized Effect Size | ||
|---|---|---|---|---|
| All Samples | Published | Mean overestimation in “published” findings | ||
| 80 | 0.796 | 5.77 | 6.53 | 13% |
| 50 | 0.494 | 3.82 | 5.56 | 45% |
| 20 | 0.205 | 1.89 | 4.88 | 158% |
| 5 | 0.053 | 0.007 | 4.45 | 64486% |
Note. The proportion published represents the proportion of studies producing p < .05, and the unstandardized effect sizes are the mean differences between the groups.
