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Test of between-subject effects (dependent variable: posttest depression)
| Source | Sum of Squares | df | Mean Square | F | P value | Partial Eta squared |
|---|---|---|---|---|---|---|
| Corrected model | 1794.25 | 2 | 874.62 | 29.54 | 0.000 | 0.68 |
| Intercept | 21.68 | 1 | 21.68 | 0.73 | 0.400 | 0.02 |
| Pretest depression | 716.71 | 1 | 716.71 | 24.20 | 0.000 | 0.47 |
| Group | 1486.45 | 1 | 1486.45 | 50.20 | 0.000 | 0.65 |
| Error | 799.41 | 27 | 29.60 | – | – | – |
| Total | 4312 | 30 | – | – | – | – |
