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Download full textMarston, Doug; And Others – 1982
Two studies were conducted to examine the efficacy of direct measurement, standardized achievement tests, and aptitude-achievement discrepancy scores in distinguishing learning disabled (LD) and nonlearning disabled (NLD) students in grades 3 to 6. For both reading (Study I) and written expression (Study II), students' scores on direct and…
Descriptors: Achievement Tests, Cost Effectiveness, Data Collection, Elementary Education
