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Peer reviewedKline, Rex B.; And Others – Journal of Learning Disabilities, 1993
This study evaluated the external validity of a measure of IQ subtest variability, the profile variability index (PVI), with a sample of 146 children referred for psychological testing. Correlation of PVIs on each intelligence test with achievement scores and indexes of discrepancy between actual and predicted scholastic achievement found…
Descriptors: Academic Achievement, Elementary Education, Intelligence Tests, Learning Disabilities
