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pro vyhledávání: '"Robert J. Devers"'
Autor:
Robert J. Devers, Larry D. Evans
Publikováno v:
Journal of Psychoeducational Assessment. 11:20-28
This study investigated the differences between exclusive use of age-based and grade-based achievement scores on mean achievement, IQ-achievement discrepancies, and severe discrepancy rates for retained and nonretained students. The sample included 2