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Maciejewski, Dominique F.; Keijsers, Loes; van Lier, Pol A. C.; Branje, Susan J. T.; Meeus, Wim H. J.; Koot, Hans M. – Developmental Psychology, 2019
One particular developmental task during adolescence is to regulate fluctuating moods to successfully transition through this period. The aim of this person-centered study was to identify distinct developmental trajectories of adolescent mood variability and to compare adolescents in different trajectories on changes in depressive symptoms,…
Descriptors: Psychological Patterns, Emotional Adjustment, Developmental Tasks, Depression (Psychology)
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Becht, Andrik I.; Nelemans, Stefanie A.; Branje, Susan J. T.; Vollebergh, Wilma A. M.; Koot, Hans M.; Meeus, Wim H. J. – Developmental Psychology, 2017
A central assumption of identity theory is that adolescents reconsider current identity commitments and explore identity alternatives before they make new commitments in various identity domains (Erikson, 1968; Marcia, 1966). Yet, little empirical evidence is available on how commitment and exploration dynamics of identity formation affect each…
Descriptors: Adolescents, Identification (Psychology), Diaries, Longitudinal Studies
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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