Confidence intervals for the 80, 85, 90, and 95 percent levels of confidence are presented for the Peabody Picture Vocabulary Test-Revised (PPVT-R) using the estimated true score and obtained score based methods. Separate tables are provided for ages 2-1/2 to 18 and ages 19 and above. (Author/VW)

WISC-R subtest profiles were examined for 20 learning disabled and 20 mentally retarded children. The rank order of the WISC-R subtests supports the concept of distinct Patterns for these exceptional children. Correlations between the present samples' subtests patterns and previous findings are also reported. (Author)

Explored the relationship between the Wechsler Intelligence Scale for Children-Revised (WISC-R) and the Peabody Picture Vocabulary Test-Revised (PPVT-R) for 37 Native American children. The PPVT-R standard scores correlated significantly with the WISCR-R Verbal IQ, Performance IQ, and Full Scale IQ. The mean PPVT-R standard score was significantly…

Researchers have typically found a mean difference of about 15 points between Blacks and Whites on traditional measures of intelligence. Some have argued that the difference between Blacks and Whites would be smaller on measures of cognitive processing. This study examined Black (n = 298) and White (n = 1,691) children on Planning, Attention,…