Esther Mertens

| 59 Effectiveness of a Psychophysical Intervention Table 4 Intervention Effects Over Time of R&W Conditions Compared to Control Condition Light Standard Plus β SE p β SE p β SE p Intrapersonal domain Psychological wellbeing .15 .06 .009 .08 .08 .287 .04 .04 .228 Resilience .09 .73 .902 .18 .27 .507 -.10 .31 .736 Sexual autonomy 1 .18 .04 < .001 .08 .06 .144 .06 .03 .074 Internalizing behavior 1 -.13 .04 < .001 -.07 .04 .048 .01 .03 .812 Interpersonal domain Interpersonal relations in the class .05 .03 .056 -.05 .07 .499 -.04 .04 .278 Externalizing behavior -.20 .12 .107 -.13 .11 .223 -.02 .07 .756 Aggression -.19 .09 .030 .01 .10 .933 -.01 .05 .822 Bullying -.12 .06 .056 -.12 .09 .149 -.05 .09 .624 Victimization -.01 .04 .817 -.04 .06 .527 .03 .04 .530 Secondary outcomes Self-control 1 .12 .03 < .001 .00 .04 .951 .02 .04 .532 Self-reflection .01 .04 .803 -.02 .06 .761 .04 .03 .238 Self-esteem .18 .10 .060 .09 .11 .394 -.05 .06 .327 Emotional self-regulation .17 .05 < .001 .07 .05 .163 -.01 .02 .676 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 at T1 3