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Hammarberg, Annie; Hagekull, Berit – Infant and Child Development, 2006
The purpose of this study was to investigate changes in externalizing and internalizing problem behaviours in 6-year-olds with a focus on sex differences. Teachers rated problem behaviours at the beginning and at the end of the school year, 8 months apart, in 370 children (197 boys and 173 girls) attending 22 school preparatory classrooms.…
Descriptors: Behavior Problems, Gender Differences, Child Behavior, Behavior Change