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Carbonneau, Rene; Vitaro, Frank; Brendgen, Mara; Boivin, Michel; Tremblay, Richard E. – Developmental Psychology, 2022
The present study investigated prenatal and early postnatal risk factors associated with developmental patterns of disruptive behaviors (DBs; e.g., hyperactivity-impulsivity, noncompliance, physical aggression) from ages 1.5 to 5 years in a population birth cohort (N = 2,057; 50.7% boys). Six high-trajectory classes obtained by latent growth…
Descriptors: Preschool Children, Behavior Problems, Child Behavior, Risk
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Tannock, Rosemary; Frijters, Jan C.; Martinussen, Rhonda; White, Erin Jacquelyn; Ickowicz, Abel; Benson, Nancy J.; Lovett, Maureen W. – Journal of Learning Disabilities, 2018
To evaluate the relative efficacy of two reading programs with and without adjunctive stimulant medication for children with attention-deficit/hyperactivity disorder and comorbid reading disorder (ADHD+RD). Sixty-five children (7-11 years in age) were assigned randomly to one of three intensive remedial academic programs (phonologically or…
Descriptors: Intervention, Attention Deficit Hyperactivity Disorder, Comorbidity, Child Behavior
Romano, Elisa; Baillargeon, Raymond H.; Tremblay, Richard E. – Human Resources Development Canada, 2002
Hyperactivity, impulsivity, and inattention are among the most common behaviour problems in children. The aim of this study was to estimate the prevalence of hyperactivity-impulsivity and inattention in the Canadian population of 2-11-year-old girls and boys, using data from the first National Longitudinal Survey of Children and Youth (NLSCY)…
Descriptors: Incidence, Probability, Public Policy, Health Services