4 229 MENTAL HEALTH OUTCOMES OF APPLIED GAME MINDLIGHT APPENDIX D Linear growth model growth curve parameters for secondary outcomes, from pre-test to 6-months follow-up (completers only sample). Means Variances Intercept Slope Intercept Slope B SE t B SE t B SE t B SE t Social self-efficacy 2.36 0.05 48.86*** 0.50 0.08 6.44*** 0.26 0.05 4.87*** 0.33 0.19 1.80 Emotional self-efficacy 1.92 0.06 33.99*** 0.73 0.10 7.07*** 0.30 0.07 4.52*** 0.49 0.33 1.48 Academic self-efficacy 2.41 0.05 45.68*** 0.42 0.08 5.45*** 0.34 0.05 6.42*** 0.18 0.18 0.99 Internalising problems 4.36 0.27 16.06*** -2.00 0.35 -5.63*** 8.96 1.37 6.54*** 7.07 4.00 1.77 Externalising problems 5.43 0.28 19.10*** -1.00 0.31 -3.28** 10.35 1.75 5.90*** 2.44 2.33 1.05 Notes. SE = standard error. *** p < .001; ** p < .01, two-tailed tests.
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