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Monti, Jennifer D.; Pomerantz, Eva M.; Roisman, Glenn I. – Journal of Educational Psychology, 2014
Data from the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development (N = 1,312) were analyzed to examine whether the adverse effects of early insensitive parenting on children's academic functioning can be offset by parents' later involvement in children's education. Observations of mothers' early…
Descriptors: Data Analysis, Parent Participation, Child Development, Child Rearing

Das, J. P.; Kirby, John R. – Journal of Educational Psychology, 1978
Humphreys' comments on double-median splits (TM 504 009) are essentially correct, but are not relevant to the original Kirby and Das article (EJ 182 444). His comments do not weaken our findings. (Author/RD)
Descriptors: Analysis of Variance, Data Analysis, Individual Differences, Predictor Variables

Humphreys, Lloyd G. – Journal of Educational Psychology, 1978
Kirby and Das (EJ 182 444) dichotomized measures of individual differences and treated them as independent variables in an analysis of variance. Correlational analysis would have provided more powerful tests of their hypotheses. Interpretation of the dichotomized variables as independent, causal antecedents of their measures of intelligence would…
Descriptors: Analysis of Variance, Correlation, Data Analysis, Individual Differences