Because one aim of the study was to examine a multi-report construct of effortful control, a confirmatory factor analysis (CFA) was run in order to examine the fit of this construct for the data. A single latent effortful control construct was estimated using effortful control scores from each reporter (including parent-, child-, and teacher-report) as indicators. All participants with effortful control scores from any reporter were included in the model (n = 798). Except for a significant χ2 value, all fit indices were reflective of acceptable fit for the data: χ2(8) = 59.05, p<0.001, CFI = 0.96, RMSEA = 0.09, SRMR = 0.04. It should be noted that the latent effortful control construct explained less variance in the the youth and teacher-reported effortful control scores than the parent-reported scores, indicating that the latent construct may be most reflective of parental report.
