Research in Developmental Disabilities | VOL. 130
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Psychometric properties of the Belgian LDCDQ (LDCDQ-BE) in a population based sample

Publication Date Nov 1, 2022

Abstract

Developmental Coordination Disorder (DCD) is a neurodevelopmental disorder usually diagnosed at school-age. It is related to secondary consequences urging early identification. The Little Developmental Coordination Questionnaire (LDCDQ) is a tool to identify young children at risk of a later DCD diagnosis. To explore psychometric properties and cut-off scores for the Belgian version the LDCDQ (LDCDQ-BE). Questionnaires were completed by parents (n=637) and teachers (n=249) of children aged 3-5 years in regular schools. Additionally, motor development of 82 children was assessed with the M-ABC-2, Beery-VMI-6 and teacher's Motor Skill Checklist (MSC). The LDCDQ-BE demonstrates excellent internal consistency (Cronbach's α=0.92), moderate convergent validity with M-ABC-2 (r=0.42), and weak to moderate concurrent validity to Beery-VMI-6 (r=0.30-0.31) and teacher's rating on MSC (r=0.27). Discriminant validity with M-ABC-2 and Beery-VMI-6 subtest Visual-Motor Integration is poor, but moderate with Beery-VMI-6 subtest Motor Coordination (p=0.023) and MSC (p=0.021). A fair agreement was established between parent's and teacher's rating (=0.308; p<0.001). Sensitivity of the LDCDQ-BE is low to moderate. It should be interpreted cautiously as predictive validity in children with DCD has yet to be established.

Concepts

Developmental Coordination Disorder Developmental Coordination Disorder Diagnosis Moderate Convergent Validity Teacher's Rating Validity In Children Moderate Validity Regular Schools Fair Agreement Discriminant Validity Neurodevelopmental Disorder

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No potential conflict of interest was reported by the authors. The conception and design of the study, acquisition of data, analysis and interpretatio...

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