Designed to investigate the performance of American Indian youth on the "Wechsler Intelligence Scale for Children" (WISC) compared to the "Chicago Non-Verbal" (CNV) for the purpose of establishing validity and reliability of the measurement and appraisal tools, this study analyzed test data from 71 Indian youth (aged 11 to 15)…

The investigation examined the "Wide Range Achievement Test" (WRAT) and its subtests (spelling, reading, and arithmetic), as well as possible differences attributable to the factors of sex, with the "Chicago Non-Verbal" (CNV) as a criterion variable. The 1970 study encompassed 72 Indian students (with a mean chronological age…

Forty-eight male and 54 female left-handed junior college students in Stockholm were grouped according to familial sinistrality and strength of handedness. Performance on computerized reaction time (RT), maze, and verbal ability tests was assessed. Sex was the only factor differentiating left-handers on RT, and no factors affected verbal ability.…

The impact of cohort changes with regard to ethnic group, gender, class rank, and first language learned on yearly average Scholastic Aptitude Test (SAT) and Test of Standard Written English (TSWE) scores was studied. All examinee records, including student test scores and student responses to the Student Descriptive Questionnaire, in the College…

A substantially revised Medical College Admission Test (MCAT) was introduced in spring 1991. The new examination is designed to assess critical thinking skills, basic concepts and problem solving facility in science, and writing skills. This paper reports preliminary findings on the factor structure of the revised MCAT, which consists of four…

The relationship of differential item functioning (DIF) to item difficulty on the Scholastic Aptitude Test (SAT) was examined, based on data from nine recent administrations of the test from June 1986 through December 1987. This pool of information includes item statistics on 765 verbal and 540 mathematical items computed for subgroups of White,…

Test-taking differences between the sexes on the Scholastic Aptitude Test (SAT) were studied to determine if girls and boys, both white and African American, had different problem-solving styles that affected their ability to respond correctly on the test. Two studies are described. The first study, "An Investigation of the Performance…