文件名称：Convergent and discriminant validity of the peabody individual achievement test with educable mentally retarded children
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学术 论文
Convergent and discriminant validity of the peabody individual achievement test with educable mentally retarded children CONVERGENT AND DISCRIMINANT VALIDITY OF THE PEABODY INDIVIDUAL ACHIEVEMENT TEST WITH EDUCABLE MENTALLY RETARDED CHILDREN JAMES E. YSSELDYKE, DAVID A. SABATINO AND JOSEPH LAMANNA The Pennsylvania State University Assessment of the academic achievement of mentally retarded children creates rather unique problems for the school psychologist. Group measures that have d