Intervention group (n = 22) | Waitlist group (n = 25) | T-Test for independent samples | U-Test | Cohen’s d | |||
---|---|---|---|---|---|---|---|
Scale | ∆M (SD) | ∆M (SD) | t | p | U, z | p | |
Depression | |||||||
BDI-II (primary hypothesis) | −6.27(5.64) | −1.40 (6.94) | t(45) = 2.62 | .012* | U = 156.50, z = -2.53 | .011* | 0.77 |
Depression (SCL-90-R) | −4.55 (4.38) | −1.96 (4.06) | t(45) = 2.10 | .041* | U = 177.00, z = -2.10 | .036* | 0.62 |
Anxiety | |||||||
Phobic anxiety (SCL-90-R) | −2.77 (6.03) | −1.52 (9.13) | t(45) = 0.55 | .587 | U = 251.00, z = -0.52 | .606 | 0.16 |
Anxietya (SCL-90-R) | −5.09 (8.23) | −1.28 (6.48) | t(45) = 1.77 | .083 | U = 182.50, z = -1.98 | .048* | 0.52 |
Social competence | |||||||
Interpersonal sensitivity (SCL-90-R) | −5.23 (7.07) | −1.76 (4.63) | t(45) = 2.01 | .050 | U = 191.00, z = -1.80 | .071 | 0.59 |
Social supporta (FERUS) | 0.95 (8.85) | 2.20 (5.13) | t(45) = 0.60 | .552 | U = 236.50, z = -0.83 | .409 | 0.18 |
Self-management | |||||||
Active and passive coping (FERUS) | 6.32 (8.49) | 0.60 (5.39) | t(34.74) = -2.71 | .010* | U = 163.50, z = -2.39 | .017* | 0.82 |
Self-efficacy (FERUS) | 3.72 (6.96) | −0.20 (5.58) | t(45) = -2.15 | .037* | U = 171.50, z = -1.24 | .025* | 0.63 |
Self-verbalisation (FERUS) | 3.91 (6.16) | 0.80 (6.06) | t(45) = -1.74 | .089 | U = 195.50, z = -1.71 | .088 | 0.51 |
Concentration | |||||||
Concentrationa (d2-R) | 2.09 (6.02) | 1.12 (10.01) | t(45) = -0.40 | .694 | U = 271.00, z = -0.09 | .932 | 0.12 |
Further outcomes | |||||||
Obsessive-compulsivea (SCL-90-R) | −4.77 (4.80) | −1.80 (3.25) | t(36.23) = 2.45 | .019* | U = 175.00, z = -2.16 | .031* | 0.73 |