Effect Size Calculator
Calculate effect sizes to measure the magnitude of statistical effects
About Effect Sizes
Effect size measures the magnitude of a statistical effect, independent of sample size.
Cohen's d Guidelines:
- Small: d = 0.2
- Medium: d = 0.5
- Large: d = 0.8
Eta-squared Guidelines:
- Small: η² = 0.01
- Medium: η² = 0.06
- Large: η² = 0.14