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Psychometric properties of the revised Developmental Coordination Disorder Questionnaire
Guy’s & St Thomas’ Foundation Trust & Kings College London Biomedical Research Centre, Strand, London, UK.ORCID iD: 0000-0002-1129-8071
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2009 (English)In: Physical & Occupational Therapy in Pediatrics, ISSN 0194-2638, E-ISSN 1541-3144, Vol. 29, no 2, p. 184-204Article in journal (Refereed) Published
Abstract [en]

The Developmental Coordination Disorder Questionnaire (DCDQ) is a parent-completed measure designed to identify subtle motor problems in children of 8 to 14.6 years of age. The purpose of this study was to extend the lower age range to children aged 5 to 7 years, revise items to ensure clarity, develop new scoring, and evaluate validity of the revised questionnaire. Additional items with improved wording were generated by an expert panel. Analyses of internal consistency, factor loading, and qualitative/quantitative feedback from researchers, clinicians, and parents were used to select 15 items with the strongest psychometric properties. Internal consistency was high (alpha = .94). The expanded questionnaire was completed by the parents of 287 children, aged 5-15 years, who were typically developing. Logistic regression modeling was used to generate separate cutoff scores for three age groups (overall sensitivity = 85%, specificity = 71%). The revised DCDQ was then compared to other standardized measures in a sample of 232 children referred for therapy services. Differences in scores between children with and without DCD (p < .001) provide evidence of construct validity. Correlations between DCDQ scores and Movement Assessment Battery for Children (r = .55) and Test of Visual-Motor Integration (r = .42) scores support concurrent validity. The results provide evidence that the revised DCDQ is a valid clinical screening tool for DCD.

Place, publisher, year, edition, pages
Taylor & Francis, 2009. Vol. 29, no 2, p. 184-204
Keywords [en]
adolescent, adult, age, article, child, child development, evaluation, female, human, male, neuropsychological test, parent, preschool child, psychometry, psychomotor disorder, questionnaire, reproducibility, sensitivity and specificity, standard, statistical model, validation study, Age Factors, Child, Preschool, Humans, Logistic Models, Motor Skills Disorders, Neuropsychological Tests, Parents, Psychometrics, Questionnaires, Reference Standards, Reproducibility of Results
National Category
Pediatrics Occupational Therapy
Identifiers
URN: urn:nbn:se:hj:diva-37468ISI: 000208046900007PubMedID: 19401931Scopus ID: 2-s2.0-67650283859OAI: oai:DiVA.org:hj-37468DiVA, id: diva2:1146108
Available from: 2017-10-02 Created: 2017-10-02 Last updated: 2017-10-02Bibliographically approved

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