The trajectories and predictors of childhood behavior problems remain unclear, this study aims to examine this research topic using nine waves of data from the Early Childhood Longitudinal Study. A total of 1,1779 and 1,1785 children (ages 5 to 13 years) and their parents and teachers were recruited to examine the development of internalizing and externalizing problems, respectively. Results showed that internalizing problems had three developmental patterns, such as a low-increased pattern, a low-stable pattern, and a medium-decreased pattern, and externalizing problems had five developmental patterns, including a high-decreased pattern, a medium-decreased pattern, a low-high increased pattern, a low-increased pattern, and a low-stable pattern. The race, gender, family socioeconomic status, and self-control of the children predicted these trajectories. Findings suggest that changes in childhood behavior problems are heterogeneous and that individual differences should be considered when studying changes in behavior problems.
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