Table 3 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 | – | – | – | – |