Changes in questionnaire scores and RMET performance between Time 1 and Time 2
Depression
For the BDI-II scores, 2 × 2 ANOVAs (Time [Time 1, Time 2] × Group [PT, non-PT]) showed no significant main effects or interactions. For the PSI child-domain scores, there was a significant Time × Group interaction, while the post-hoc within-group Under the ToM condition in the RMET, the RTs showed a trend toward significance for the main effect of Time (Box plot showing the reaction times under the ToM condition for both groups and at both time points. Reaction times at Time 1 and Time 2 for (Psychological questionnaire scores of outcome measures in the PT and non-PT groups at baseline (Time 1) and in the post-intervention period (Time 2)Accuracy, correct answer rate (%); PT group, mothers enrolled in the parent training intervention; non-PT group, mothers who were not enrolled in the parent training intervention until after the end of the study. Abbreviations: BDI-II, Beck Depression Inventory-II; GeN, gender judgement condition; PS, Parenting Scale; PSI, Parenting Stress Index; PT, parent training; RMET, Reading the Mind in the Eyes Test; RTs, Reaction Times (ms); ToM, Theory of Mind condition; SD, standard deviation. *Furthermore, additional ANOVA for correct item RTs under the ToM condition showed a similar trend as above; the RTs showed a significant main effect of Time (