The research question addressed was whether sex differences in cognitive ability are smaller in younger age groups than in older age groups. A battery of 12 aptitude tests measuring visualization, spatial orientation, perceptual speed, associative memory, number memory, eidetic memory, spatial scanning, visual memory, and flexibility of closure…

Results indicate that when SES is controlled few significant differences emerge between the two groups, with verbal tests yielding the largest differences. (Author)

This experiment determined relationships between Machiavellianism, locus of control, and cognitive style. One hundred fifteen subjects, 56 males and 59 females, ages 18 to 21, were selected from Interim students at Texas Lutheran College, Sequin, Texas. The Mach IV test measured Machiavellian tendencies. The I-E scale measured external attitudes.…

This study investigated the relative freshman-year cognitive impacts of five two-year and six four-year colleges and universities drawn from all sections of the United States. The overall sample was 2,685 freshmen students participating in a national longitudinal study and of these the final sample contained 811 students, 280 attending five…

The Early Childhood Longitudinal Study-Kindergarten Class of 1998-99 (ECLS-K), selected a nationally representative sample of approximately 22,000 kindergartners in the fall of 1998 and is following these children through the end of the fifth grade. Baseline data about these children, their families, and their kindergarten programs were collected…