4 227 MENTAL HEALTH OUTCOMES OF APPLIED GAME MINDLIGHT APPENDIX B Linear growth model fit indices for secondary outcomes, from pre-test to 6-months follow-up (intention-to-treat sample). χ2 (df) p RMSEA CFI TLI Social self-efficacy 11.29 (5) .046 0.09 0.97 0.97 Emotional self-efficacy 13.73 (5) .017 0.10 0.96 0.95 Academic self-efficacy 15.60 (5) .008 0.11 0.96 0.95 Internalising problems 22.09 (5) <.001 0.14 0.94 0.93 Externalising problems 12.61 (5) .027 0.10 0.98 0.98 Notes: RMSEA = root mean square error of approximation; CFI = comparative fit index; TLI = Tucker-Lewis Index.
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