Indices of item difficulty and item discrimination were analyzed for the items comprising the Wechsler Intelligence Scale for Children-Revised as obtained from a group of 142 subjects with Full Scale IQs below 96. Evidence indicates increase in the number of items on the WISC-R helped increase its internal validity. (Author)

The performance subscales to the Wechsler Intelligence Scale for Children were administered to 208 black and 208 white female junior high school students. In addition to race and socioeconomic status (above or below the median) of subject, the variables of race and sex of tester, test atmosphere (evaluative or gamelike), and tester expectation…

This study investigated sex differences on the Wechsler Intelligence Scale for Children-Revised (WISC-R) subtests for retarded males and females who were matched in terms of WISC-R Full Scale IQ's. Sample consisted of 126 children. Evidence from the investigation indicated that a significant interaction effect existed between sex and subtest…

Disadvantaged, Upward Bound students (n=94) were administered a test battery of the Otis Quick-Scoring Mental Ability Test, Preliminary Scholastic Aptitude Test, Guilford's tests of Expressional Fluency, Alternate Uses, and Consequences; and the Figural Form of the Torrance Tests of Creative Thinking. Results are discussed in relation to previous…

The WISC and WISC-R were administered to 20 Black psychiatric outpatients, ages 8 to 15. Scores revealed the two tests to be essentially different, with lower Verbal, Performance, and Full Scale IQs on the WISC-R. Order of administration, sex, and interest correlations were also examined. (Author/SJL)

The Wechsler Intelligence Scale for Children (excluding Mazes and Digit Span) was administered to 64 third-grade children, randomly selected for IQ. Female examiners elicited higher Full Scale IQ, Verbal IQ, Comprehension, Similarities, and Vocabulary scores from all children. (Author)