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Van 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
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Erford, Bradley T.; Peyrot, Mark; Siska, Laura – Measurement and Evaluation in Counseling and Development, 1998
Reliability and construct validity, including confirmatory factor analysis, of the ASQ-T were examined. Conners's 1989 and Margalit's 1983 factor models were compared on a new sample (N=70 teachers). Psychometric properties of the ASQ-T were examined, particularly its utility as a measure of attention deficit/hyperactivity disorder and comorbidity…
Descriptors: Attention Deficit Disorders, Behavior Disorders, Construct Validity, Factor Analysis
Erford, Bradley T. – Diagnostique, 1996
Reliability and construct validity of over 1,000 mothers' responses to the Disruptive Behavior Rating Scale-Parent Version were studied. Results indicated excellent internal consistency and test-retest reliability on three subscales (Oppositional, Distractible, and Impulsive-Hyperactive) but only marginal reliability on the Antisocial Conduct…
Descriptors: Antisocial Behavior, Behavior Problems, Behavior Rating Scales, Conceptual Tempo