138 Chapter 6 Supplementary Materials (S1) Sensitivity analyses using repeated measures ANOVA and Chi-square tests on complete cases Table 1.1 Effect results of the repeated measures ANOVA on primary and secondary outcomes from baseline (T1) to endpoint (T2). Time F(df) p η2 Primary outcomes Total joint engagement .17(1,45) .683 .004 Supported joint engagement 1.44(1,45) .237 .031 Secondary outcomes BOSCC .57(1,37) .456 .015 Following in 2.54(1,45) .118 .053 Scaffolding 2.84(1,45) .099 .059 Symbol highlighting .003(1,45) .957 .000 Caregiver affect 1.37(1,45) .249 .029 Fluency & connectedness 1.44(1,45) .236 .031 WEMWBS 4.56(1,27) .042 .145 PSQ 2.66(1,32) .113 .077
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