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Beaver, Kevin M.; Nedelec, Joseph L.; Rowland, Meghan W.; Schwartz, Joseph A. – Child Psychiatry and Human Development, 2012
A great deal of research has examined the etiology of attention-deficit/hyperactivity disorder (ADHD) and ADHD symptomatologies. Genetic factors are consistently shown to explain a significant proportion of variance in measures of ADHD. The current study adds to this body of research by examining whether genetic liabilities for criminality and…
Descriptors: Attention Deficit Hyperactivity Disorder, Genetics, Etiology, Symptoms (Individual Disorders)
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Whitney, Stephen D.; Hendricker, Elise N.; Offutt, Cheryl A. – Mentoring & Tutoring: Partnership in Learning, 2011
This study examines naturally occurring mentors by the quality and presence of a mentor (no mentor, low quality, high quality), type of mentors (adult mentors vs. peer mentors), and mentor quality within mentor type. A sub-sample of adolescents from the National Longitudinal Study of Adolescent-Health is used. Results indicate the effect of…
Descriptors: Mentors, Alcoholism, At Risk Students, Adolescents