This report summarizes the results of the administration of the vocabulary and Block Design subtests of the WISC to a national probability sample of noninstitutionalized youths 12 through 17 years of age. Information is presented on the derivation of percentile equivalents, normalized scale scores, and a short-form estimate of Face Scale Scores.…

Various hypotheses and opinions relating to cognitive differences between males and females are reviewed. It is shown that the largest sources of cognitive differences between the sexes can be traced to courses of study and other aspects of relevant experience based on outmoded sex role stereotypes. (Author/GC)

Three data sources, analyzed presently, failed to reveal a Sex by Race or Sex by Socioeconomic Status interaction. It was suggested that Sex by Race differences in income, education, and so on could be the result of racially related sex role expectations or cultural prejudice. (Author/MV)

Early readers came from higher socio-economic levels and smaller families, their mothers had more education, they spent more time in sedentary activities, and they received a variety of kinds of help. (Authors)

Describes the origin and development of the variability hypothesis as applied to the study of social and psychological sex differences. Explores changes in the hypothesis over time, social and scientific factors that fostered its acceptance, and possible parallels between the variability hypothesis and contemporary theories of sex differences.…

A Canadian study compared the rate of cognitive disabilities in 156 relatives of 49 individuals with autism to that found in 55 relatives of 18 individuals with mental retardation. No differences were found; however, female and low IQ individuals were found to have higher family histories of cognitive disabilities. (Author/CR)

A study of 700 children (ages 5-12) investigated whether children's conceptions of and expectations of friendship are determined by chronological age or by mental age. Results found children of differing intellectual abilities pass through the five conception stages of friendship at different ages and at different rates. (Contains 4 references.)…

Evidence on the poorer spatial visualization ability in various Negro populations compared to the White populations and on the direction and magnitude of sex differences in spatial ability relative to other abilities suggests the genetic hypothesis that spatial ability is enhanced by a sex-linked recessive gene and that, since the 20-30 percent…

Research from the late 1960's to 1974 reveals that early sex role socialization affects the intellectual achievement and career choices of women. Whereas preschool girls test as well or somewhat better than boys on various intelligence measures, high school boys test higher in general intelligence, and number, spatial, and analytic ability. One…

To learn if differences in age, intelligence, and sex account for differences in children's recall of TV commercials and in the degree of insistence with which they request that the advertised product be purchased, 54 gifted, 71 normal, and 53 educable mentally retarded children of both sexes were questioned after viewing commercials for breakfast…

Part of a larger study on The Employment Status of Mentally Retarded Adults in New York City prepared for the Manpower Administration, U. S. Department of Labor.

To learn if differences in age, intelligence, and sex account for differences in children's memory of TV commercials and "degree of insistence" (DI) after viewing them, 54 gifted, 71 normal, and 53 educable mentally retarded children (of both sexes, 7-13 years) were questioned. The mediating influence of the three independent variables on DI was…

The purpose of this study was to investigate further the relationship between sex and a decline of intellectual abilities during adolescence and to examine some personality differences between young women who declined in intellectual abilities during adolescence and those who did not. Differences examined were: need to be included, need to be…