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…

A study was conducted to test the effectiveness of a preschool program which emphasized rapid attainment of basic academic concepts. The experimentals were 4- to 5-year-old lower class, predominantly Negro, children. For 2 years they received instruction 2 hours daily, 5 times a week, in a group where the pupil-teacher ratio was five to one. To…

The suitability of the Wide Range Achievement Test (WRAT) as a valid measure of school achievement for use on a national health survey is discussed. It was found that the Arithmetic and Reading sections of the 1963 Revised Wide Range Achievement Test have reasonably good construct validity as judged by their relation to the Stanford and the…

National estimates of school achievement as measured by the reading and arithmetic subtests of the Wide Range Achievement Test (WRAT) for the noninstitutionalized population of the United States aged 12-17 years are presented. Data were obtained in the Health Examination Survey (HES) of 1966-70. In the survey a probability sample of 7,514 youths…

Two samples of 50 kindergarten children each were tested for IQ, reading and arithmetic achievement, and rated by teachers for social and academic competence. The children were tested again in third grade for reading, spelling, and arithmetic achievement, and rated for classroom coping behaviors. In addition, one kindergarten sample was rated for…