The Revised DCDQ: Is It a Suitable Screening Measure for Motor Difficulties in Adolescents?
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The parent-rated Developmental Coordination Disorder Questionnaire (DCDQ) has been revised to incorporate a wider age range, including adolescence. In this exploratory study, internal consistency and validity of the DCDQ-2007 was assessed using a community-based sample of 87 adolescents. Psychometric properties of the DCDQ-2007 were investigated and concurrent validity, sensitivity, and specificity were assessed with the MABC-2 as a criterion standard. The results demonstrated high internal consistency for the DCDQ-2007 and a relationship with the MABC-2 was found. The DCDQ-2007 met the recommended standard for sensitivity, although the confidence interval was large; however, it failed to meet the recommended standard for specificity. This has important implications concerning the suitability of the DCDQ-2007. Although promising psychometric properties were found within the current study, the applicability of the DCDQ-2007 as a screening measure for motor difficulties requires careful consideration.
Linda Pannekoek, Daniela Rigoli, Jan Piek, and Nicholas Barrett are with the School of Psychology and Speech Pathology at Curtin Health Innovation Research Institute (CHRI), Curtin University, Perth, Western Australia. Marina Schoemaker is with the Centre for Human Movement Sciences at the University of Groningen, The Netherlands.
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