Table 4.
Comparison of the differences between the control and the intervention groups after controlling pre-test using ANCOVA
| Source | SS | df | MS | F | P value | Eta-squared | Observedpower | |
|---|---|---|---|---|---|---|---|---|
| SWLS | Pre-test | 532.99 | 1 | 532.99 | 72.38 | 0.001> | 0.72 | |
| Group | 65.67 | 1 | 65.67 | 8.92 | 0.006 | 0.24 | 0.82 | |
| Error | 206.17 | 28 | 7.36 | |||||
| Total | 18509.0 | 31 | ||||||
| SF-12 | Pre-test | 174.42 | 1 | 174.42 | 9.18 | 0.005 | 0.25 | |
| group | 44.81 | 1 | 44.81 | 2.36 | 0.136 | 0.07 | 0.31 | |
| Error | 532.25 | 28 | 19.01 | |||||
| Total | 753.93 | 31 | ||||||
ANCOVA; Analysis of covariance, SWLS; Satisfaction With Life Scale, SF-12; 12-item Short Form Health Survey, SS; Sum of squares, df; Degree of freedom, MS; Mean squares and F; Function.