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Background:  Children with developmental coordination disorder (DCD) portray motor coordination and perceptual difficulties which can hamper daily activity and academic task execution. Aim:  This study examined the association between DCD and academic performance, and explored which perceptual and motor coordination skills had the largest contribution to academic performance. Setting:  Ten-year-old children ( N  = 221, 10.05 years + 0.41 standard deviation) who formed part of the North-West Child Health, Integrated with Learning and Development (NW-CHILD) longitudinal study in South Africa were randomly selected to participate. Methods:  Motor coordination, visual-motor integration and academic achievement were assessed using the  Movement Assessment Battery for Children-2 , the  Beery–Buktenica Developmental Test of Visual-Motor Integration-4 , and national and mid-year assesments respectively. Spearman Rank order correlations and stepwise regression analyses were used to respectively determine significant associations and unique contributors. Results:  All perceptual and coordination skills differed between children with and without DCD, although only visual perception and manual dexterity showed overall correlations with academic performance in children with DCD. Visual perception also correlated strongly with maths ( r  = 0.26) and with the grade point average ( r  = 0.31) in children with and without DCD ( r  = 0.33,  r  = 0.45). The highest contribution to the total variance (23.11%) in math performance was explained by visual perception (22.04%), while visual perception contributed to 16.36% of 18.17% in the grade point average. Conclusion:  Children with DCD display significantly inferior visual-perceptual and coordination skills of which visual perception and manual dexterity influence academic performance (especially maths), negatively.

south african journal of childhood education

Perceptual-motor contributors to the association between developmental coordination disorder and academic performance: North-West Child Health, Integrated with Learning and Development study