# effect size

The student's t test gives you a sense of whether an effect exists, but doesn't say anything about how big that effect size is.

## 1. cohen's d

- \(\frac{|\mu_1 - \mu_2|}{SD_{pooled}}\)

The student's t test gives you a sense of whether an effect exists, but doesn't say anything about how big that effect size is.

- \(\frac{|\mu_1 - \mu_2|}{SD_{pooled}}\)

Created: 2024-07-15 Mon 01:28