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Timmermans, Maartje; van Lier, Pol A. C.; Koot, Hans M. – Journal of Clinical Child and Adolescent Psychology, 2009
Adolescent delinquency and academic underachievement are both linked with child and adolescent behavior problems. However, little is known about behavioral pathways leading to these adverse outcomes. Children's aggression, opposition, status violations, and property violations scores were collected at ages 5, 10, and 18. Delinquency and academic…
Descriptors: Behavior Problems, Delinquency, Aggression, Underachievement
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Ashford, Janka; Van Lier, Pol A. C.; Timmermans, Maartje; Cuijpers, Pim; Koot, Hans M. – Journal of the American Academy of Child & Adolescent Psychiatry, 2008
A study was conducted to evaluate whether prenatal smoking was only related to externalizing or both internalizing and externalizing problems in children from childhood to early adolescence. Results indicated that maternal smoking during pregnancy is an accurate predictor of internalizing and externalizing psychopathology among children.
Descriptors: Smoking, Mothers, Infant Mortality, Pregnancy
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Timmermans, Maartje; van Lier, Pol A. C.; Koot, Hans M. – Journal of Child Psychology and Psychiatry, 2008
Background: Health risk behaviors like substance use (alcohol, tobacco, soft/hard drugs) and risky sexual behavior become more prevalent in adolescence. Children with behavior problems are thought to be prone to engage in health risk behaviors later in life. It is, however, unclear which problems within the externalizing spectrum account for these…
Descriptors: Behavior Problems, Aggression, Drug Use, Late Adolescents
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Douma, Jolanda C. H.; Dekker, Marielle C.; de Ruiter, Karen P.; Tick, Nouchka T.; Koot, Hans M. – American Journal on Mental Retardation, 2007
Six types of antisocial and delinquent behaviors (e.g., property destruction and authority avoidance) were assessed in 526 youths (11 to 24 years of age) with mild to borderline intellectual disabilities and 1,030 11- to 18-year-olds without intellectual disabilities. Overall, 10% to 20% of youths with intellectual disabilities exhibited some type…
Descriptors: Mental Retardation, Mild Mental Retardation, Delinquency, Behavior Problems