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Kerr, David C. R.; Lunkenheimer, Erika S.; Olson, Sheryl L. – Journal of Child Psychology and Psychiatry, 2007
Background: Children's early problem behavior that manifests in multiple contexts is often more serious and stable. The concurrent and predictive validity of ratings of externalizing and internalizing by four informants was examined at preschool and early school age in an at-risk sample. Methods: Two hundred forty children were assessed by mothers…
Descriptors: Check Lists, Behavior Problems, Mothers, Fathers