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Interpretation of effect sizes.
| Effect Size | Percent of Non-Overlap of two populations (U1) | Percentage in the second population that exceeds the same percentage in the first population (U2) | Percentage of the first population which the upper half of the second population exceeds (U3) | Common Language Effect Size (CLES) |
|---|---|---|---|---|
| 0.0 | 0.0 | 50.0 | 50.0 | 0.50 |
| 0.1 | 7.7 | 52.0 | 54.0 | 0.53 |
| 0.2 | 14.8 | 54.0 | 57.9 | 0.56 |
| 0.3 | 21.3 | 56.0 | 61.8 | 0.58 |
