Correlations with Binet IQ in the ITPA normative sample were corrected for restricted intelligence range. The corrected correlation for the Psycholinguistic Quotient is as high as that between the WISC and the Binet, a finding that raises a serious question about the construct validity of the ITPA. (Author)

Scores on the Wechsler Intelligence Scale for Children-Revised (WISC-R) and Wechsler Adult Intelligence Scale-Revised (WAIS-R) Verbal, Performance, and Full Scales were compared for 26 adolescents with educable mental handicaps. The WAIS-R, while strongly correlated with the WISC-R, provided higher scores on all three scales. Several WISC-R…

In an Israeli community of low socioeconomic status, conventional ability measures and the Learning Potential Assessment Device (LPAD) were administered to 165 high-achieving intermediate grade students and their classmates. High-achieving students scored higher than classmates on both conventional and LPAD measures but scored higher than the norm…