Analysis Parameters
Select the type of power analysis
0.2=small, 0.5=medium, 0.8=large
Ratio of n2 to n1 (1 = equal groups)
Type I error rate
Probability of detecting true effect
Effect Size Guidelines (Cohen)
| Size | Cohen's d | Cohen's f |
|---|---|---|
| Small | 0.20 | 0.10 |
| Medium | 0.50 | 0.25 |
| Large | 0.80 | 0.40 |