Document Type : Research Paper
Authors
Abstract
Objectives: The aim of this study was to adapt and evaluate the psychometric properties of a Persian version of Developmental Coordination Disorder Questionnaire (DCD-Q) in Iran to identify children at risk for Developmental Coordination Disorder (DCD). Method: We examined the internal consistency, test-retest reliability construct validity, and concurrent validity of the DCD-Q using a large, primary school-based sample of boys and their parents’. A total of 922 parents completed the DCD-Q and 15 parents repeated it after 2 weeks for test–retest reliability. Scores on the DCD-Q were compared to performance on the Test of Gross Motor development-2 (TGMD-2). Concurrent validity was examined by calculating correlations between scores of the DCD-Q, and the TGMD-2.
Results: Two items deleted after the evaluation of the internal consistency. Deletion of these items increased Cronbach’s α to .85 and test–retest reliability to .93. Explanatory and confirmatory factor analysis showed that the DCD-Q was multifactorial and this version is compatible with the original version of the DCD-Q. Finally, high correlations were observed between the DCD-Q with the TGMD-2 subscales: locomotion (r = .65), object control (r = .60).
Conclusion and recommendations: These results support the validity and reliability of the Persian version of the DCDQ as a screening instrument for identification of children at risk for DCD in Iran.
Keywords
منابع فارسی
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