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Peer reviewedSlate, John R. – Learning Disabilities Research and Practice, 1996
The interrelation of 4 achievement tests was investigated with 202 students (mean age 11) with specific learning disabilities. Although, in general, achievement subtests claiming to measure the same academic construct were moderately to strongly related, significant mean differences were present on several measures claiming to measure the same…
Descriptors: Academic Achievement, Achievement Tests, Elementary Education, Learning Disabilities
