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Direct linkVan Roy, Betty; Veenstra, Marijke; Clench-Aas, Jocelyne – Journal of Child Psychology and Psychiatry, 2008
Background: The Strengths and Difficulties Questionnaire (SDQ) is designed to measure psychological adjustment in children and adolescents. Psychometric evaluations of the instrument have shown satisfactory convergent and discriminant validity, while factor analysis studies have shown mixed results across countries. In the present study, the…
Descriptors: Hyperactivity, Construct Validity, Validity, Factor Structure
