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Krasa, Nancy – Journal of Psychoeducational Assessment, 2007
This study assesses the adequacy of item gradients and ceilings for the subtests of the Woodcock-Johnson III (WJ III) Cognitive and Achievement batteries, including the Diagnostic Supplement, in their use with participants ages 16 to 25 and Grades 10 to 18. Of the 52 subtests, 18 contain adequate item gradients and ceilings for the entire age and…
Descriptors: Cognitive Tests, Achievement Tests, Adolescents, Young Adults