Chinese children with math learning difficulties show severe deficits across domains, meta-analysis finds
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Key Takeaway
Consider that Chinese children with MLD show the largest deficits in calculations and fractions/decimals, guiding targeted interventions.
This meta-analysis synthesized 505 effect sizes from studies of Chinese children with mathematical learning difficulties (MLD) to quantify the severity of deficits across mathematical domains. The largest deficits were observed in calculations (g = -1.70), followed by fractions/decimals (g = -1.45), word problems (g = -1.33), numerical cognition (g = -1.25), and geometry (g = -0.79). These effect sizes indicate substantial impairments relative to typically developing peers.
The authors note that no research has yet examined and quantified the mathematical deficits in children with MLD, suggesting this meta-analysis fills a gap. However, this limitation also means the findings should be interpreted as preliminary until further replication.
Clinically, the results may help educators and clinicians target interventions more precisely, especially for calculations and fractions/decimals where deficits are most severe. The review does not report on interventions, comparators, or safety data, so its direct practice relevance is limited to informing assessment and educational planning.
View Original Abstract ↓
Previous studies have found that children with mathematical learning difficulties (MLD) exhibit mathematical deficiencies consistent with the cognitive deficit theory. However, no research has yet examined and quantified the mathematical deficits in children with MLD. This study aims to synthesize findings on numerical cognition, calculations, fractions/decimals, geometry, and word problems deficits among Chinese children with MLD using a meta-analytic method. A total of 77 studies, including 505 effect sizes, were included. The results indicate that the severity of mathematical deficits among Chinese children with MLD follows this order: calculations (g = -1.70) and fractions/decimals (g = -1.45), word problems (g = -1.33) and numerical cognition (g = -1.25), and geometry (g = -0.79). Future research should focus on distinguishing specific mathematical skills to evaluate and clarify the primary and secondary deficits in children with MLD. This will enhance the targeting of educational interventions, ultimately supporting the improvement of mathematical skills in these children.
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