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Barrett, David C.; Fish, Wade W. – International Journal of Special Education, 2011
This causal-comparative study evaluated a 30-week chess instructional program implemented within special education math classes for students in the sixth, seventh, and eighth grades in a suburban middle school located in the southwestern United States. An analysis of covariance (ANCOVA) was utilized to compare the adjusted means for the comparison…
Descriptors: Grades (Scholastic), Mathematics Achievement, Program Effectiveness, Statistical Analysis