文件名称：Computational errors of mentally retarded students
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更新时间：2024-07-19 16:07:00
学术 论文
Computational errors of mentally retarded students COMPUTATIONAL ERRORS OF MENTALLY RETARDED STUDENTS ROBERT W. JANKE Strongsville City Schools, Sirongsville. Ohio This study examined the computational errors made by 370 educable mentally retarded students on the arithmetic subtest of the Wide Range Achievement Test. There were 233 males and 137 females in the sample, and the ages ranged from 8 to 18. Engelhardt’s (1977) error classification was used to identify error types. Retarded