Table 4 Repeated measures MANOVAs, means (SDs), and effect sizes (Cohen’s d).
Measure | Pretreatment M (SD) | Posttreatment M (SD) | Follow-up M (SD) | Pre–post effect size, d | Pre-Follow up effect size, d | Bonferroni tests Mean difference | ||
|---|---|---|---|---|---|---|---|---|
Pre–post | Pre-follow up | |||||||
Depression | Control | 34.98 (1.92) | 22.14 (2.59) | 11.54 (3.21) | 5.63 | 8.86 | 12.84*** | 23.44*** |
Experimental | 35.26 (2.03) | 20.32 (2.47) | 8.37 (3.74) | 6.61 | 8.94 | 14.94*** | 26.89*** | |
Hopelessness | Control | 19.77 (1.86) | 8.31 (1.18) | 5.00 (1.28) | 7.36 | 9.25 | 11.46*** | 14.77*** |
Experimental | 22.00 (2.18) | 6.20 (2.04) | 1.60 (1.56) | 7.48 | 10.76 | 15.80*** | 20.40*** | |
Suicidal ideation | Control | 16.97 (6.81) | 9.31 (5.19) | 4.80 (1.28) | 1.26 | 2.48 | 7.66*** | 12.17*** |
Experimental | 18.34 (8.55) | 5.77 (2.07) | 0.60 (0.65) | 2.02 | 2.92 | 12.57*** | 17.74*** | |