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Farmer, Cristan; Butter, Eric; Mazurek, Micah O.; Cowan, Charles; Lainhart, Janet; Cook, Edwin H.; DeWitt, Mary Beth; Aman, Michael – Autism: The International Journal of Research and Practice, 2015
A gap exists in the literature regarding aggression in autism spectrum disorders and how this behavior compares to other groups. In this multisite study, the "Children's Scale for Hostility and Aggression: Reactive/Proactive" and the Aggression subscale of the "Child Behavior Checklist" were rated for 414 children with autism…
Descriptors: Aggression, Autism, Pervasive Developmental Disorders, Comparative Analysis
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Hart, Sara A.; Petrill, Stephen A.; Thompson, Lee A.; Plomin, Robert – Journal of Educational Psychology, 2009
The goal of this first major report from the Western Reserve Reading Project Math component is to explore the etiology of the relationship among tester-administered measures of mathematics ability, reading ability, and general cognitive ability. Data are available on 314 pairs of monozygotic and same-sex dizygotic twins analyzed across 5 waves of…
Descriptors: Twins, Reading Fluency, Problem Solving, Genetics