This study examined differences in predicting achievement by sex on the Iowa Tests of Basic Skills (ITBS) from the verbal, quantitative, and nonverbal scores on the Cognitive Abilities Test (CogAT). The sample (n=10,000) consisted of all students in Grades 2, 5, and 8 who completed both tests in fall 1984. Examinations of means and standard…

The purposes of this study were to examine the relationship between academic achievement and demographic and school background variables for school districts and school buildings and to develop from these relationships a basis for comparing achievement at similar schools. The sample consisted of Iowa public school districts that participated in…