Journal article

The Nature and Predictors of Undercontrolled and Internalizing Problem Trajectories Across Early Childhood

Kristin S Mathiesen, Ann Sanson, Mike Stoolmiller, Evalill Karevold

JOURNAL OF ABNORMAL CHILD PSYCHOLOGY | SPRINGER/PLENUM PUBLISHERS | Published : 2009

Abstract

Using growth curve modeling, trajectories of undercontrolled (oppositional, irritable, inattentive and overactive behaviors) and internalizing (worried, sad and fearful) problems from 18 months to 4.5 years were studied in a population based sample of 921 Norwegian children. At the population level, undercontrolled problems decreased and internalizing problems increased with increasing age. Child temperament and family factors present at 18 months predicted 43% of the stability and 20% of the linear changes in undercontrolled problems and 30% of the stability and 7% of the linear changes in internalizing problems. Persisting effects of child and family factors from 18 month were found on the..

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