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Wakeman, Holly N.; Wadsworth, Sally J.; Olson, Richard K.; DeFries, John C.; Pennington, Bruce F.; Willcutt, Erik G. – Journal of Learning Disabilities, 2023
This study investigated the relationship between mathematics difficulties and psychopathology in a large community sample (N = 881) of youth (8-18 years of age) in the United States. The primary aims of the study were to (a) test the associations between mathematics difficulties and specific components of internalizing, externalizing, attention,…
Descriptors: Children, Adolescents, Correlation, Learning Problems
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Morneau-Vaillancourt, Geneviève; Matte-Gagné, Célia; Cheesman, Rosa; Brendgen, Mara; Vitaro, Frank; Tremblay, Richard; Dionne, Ginette; Boivin, Michel – Developmental Psychology, 2021
The present study examined, within a longitudinal family-informed design and across middle childhood, the predictive associations between preference for solitude and social wariness, two forms of social withdrawal, and peer difficulties. Specifically, preference for solitude, rather than social wariness, was expected to predict peer victimization…
Descriptors: Preferences, Withdrawal (Psychology), Psychological Characteristics, Social Adjustment
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Rietveld, M. J. H.; Hudziak, J. J.; Bartels, M.; Beijsterveldt, C. E. M.; Boomsma, D. I. – Journal of Child Psychology and Psychiatry, 2004
Background: Twin studies of childhood behavior problems support the conclusion that individual differences in impulsivity, hyperactivity, and inattention are largely due to genetic influences. Non-genetic variation is due to environmental influences that are unique to the individual, and possibly to rater contrast effects. In the present…
Descriptors: Check Lists, Twins, Behavior Problems, Structural Equation Models