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ObjectivesThis study explored the developmental trajectory of aggressive behavior from age 8 to age 10 in school‐aged children, taking into account possible sex differences, as well as the involvement of certain hormones.
MethodsParticipants were 90 children (49 boys and 41 girls) from four schools. At the beginning of the study, the children were 8‐year old and were in 3rd grade of primary school...
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