Esther Mertens

60 | Chapter 3 Table 5 Effect Sizes of Change over Time in R&W Conditions Compared to Control Condition Light Standard Plus T1-T2 T2-T3 T3-T4 Overall T1-T2 T2-T3 T3-T4 Overall T1-T2 T2-T3 T3-T4 Overall Intrapersonal domain Psychological wellbeing 0.07 0.18 -0.01 0.24 0.04 0.10 -0.01 0.14 0.02 0.06 0.00 0.08 Resilience 0.04 -0.03 0.02 0.03 0.09 -0.07 0.04 0.06 -0.05 0.04 -0.02 -0.04 Sexual autonomy 1 0.32 0.06 0.01 0.38 0.15 0.03 0.00 0.18 0.12 0.02 0.00 0.15 Internalizing behavior 1 0.19 0.04 0.03 0.26 0.11 0.03 0.02 0.15 -0.01 0.00 0.00 -0.01 Interpersonal domain Interpersonal relations in the class 0.05 0.03 0.02 0.10 -0.05 -0.03 -0.02 -0.10 -0.04 -0.02 -0.02 -0.08 Externalizing behavior 0.13 -0.05 0.03 0.11 0.09 -0.03 0.02 0.08 0.02 -0.01 0.00 0.02 Aggression 0.18 0.10 0.03 0.31 -0.01 -0.01 0.00 -0.02 0.01 0.01 0.00 0.02 Bullying 0.10 0.08 0.06 0.24 0.11 0.09 0.07 0.28 0.05 0.04 0.03 0.11 Victimization 0.01 0.01 0.00 0.01 0.04 0.02 0.00 0.06 -0.03 -0.02 0.00 -0.04 Secondary outcomes Self-control 1 0.19 0.03 0.03 0.25 0.00 0.00 0.00 0.01 0.04 0.01 0.01 0.06 Self-reflection 0.01 0.00 0.00 0.02 -0.02 0.00 0.00 -0.03 0.06 0.01 0.00 0.07 Self-esteem 0.04 0.15 0.04 0.22 0.02 0.08 0.02 0.12 -0.01 -0.05 -0.01 -0.08 Emotional self-regulation 0.17 0.09 0.04 0.29 0.08 0.04 0.02 0.13 -0.01 0.00 0.00 -0.01 Note. 1 Variance of the baseline measurement of the concerned outcome variable was fixed to zero due to a negative residual variance of the observed variable; Effect sizes ( d ) were calculated so that positive effect sizes indicate change in the desired direction for R&W.