Intervention group | Control group | |||||||
---|---|---|---|---|---|---|---|---|
M | SD | Cohen’s d | p | M | SD | Cohen’s d | p | |
Assertion | ||||||||
T1 | 13.07 | 1.95 | 1.172 | < .001 | 12.90 | 2.58 | 0.453 | < .001 |
T2 | 15.20 | 1.41 | 13.97 | 1.56 | ||||
Self-control | ||||||||
T1 | 12.21 | 3.11 | 0.743 | < .001 | 12.48 | 3.64 | 0.392 | < .001 |
T2 | 14.38 | 2.37 | 13.38 | 2.43 | ||||
Cooperation | ||||||||
T1 | 9.44 | 4.98 | 0.782 | < .001 | 9.02 | 4.49 | 0.273 | .011 |
T2 | 12.71 | 4.03 | 10.21 | 3.58 |