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Wildeboer, Andrea; Thijssen, Sandra; van IJzendoorn, Marinus H.; van der Ende, Jan; Jaddoe, Vincent W. V.; Verhulst, Frank C.; Hofman, Albert; White, Tonya; Tiemeier, Henning; Bakermans-Kranenburg, Marian J. – International Journal of Behavioral Development, 2015
High and stable levels of aggression and the presence of aggressive behaviour in multiple settings according to different informants are risk factors for later problems. However, these two factors have not been investigated in early childhood. The present study investigates trajectories of parent-reported child aggression from 1.5 up to 6 years of…
Descriptors: Young Children, Aggression, Behavior Problems, Student Behavior
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Ferdinand, Robert F.; Visser, Jeroen Heijmens; Hoogerheide, Kirsten N.; van der Ende, Jan; Kasius, Marianne C.; Koot, Hans M.; Verhulst, Frank C. – Journal of Child Psychology and Psychiatry, 2004
Objective: To compare the predictive validity of the clinical-diagnostic and the empirical-quantitative approach to assessment of childhood psychopathology, and to investigate the usefulness of combining both approaches. Method: A referred sample (N = 96), aged 6 to 12 years at initial assessment, was followed up across--on average--a period of…
Descriptors: Delinquency, Attention Deficit Hyperactivity Disorder, Behavior Disorders, Predictive Validity