Effects of passage and item-scrambling on equipercentile and item-response theory equating were investigated using 2 scrambled versions of the American College Testing Program Assessment for approximately 25,000 examinees. Results indicate that using a base-form conversion table with a scrambled form affects the individual examinee level. (SLD)

How two students with the same number-correct score, calculated by dramatically different patterns of responses, can achieve the same ability estimate is demonstrated. The present study investigated the incidence of person misfit to the model in a nationally standardized test of achievement devised using the Rasch item response theory model. It…

The differential performance of black and white college freshmen on a direct measure of writing skills, the essay portion of the American College Testing Program's Collegiate Assessment of Academic Proficiency (CAAP), was studied. The data consisted of responses of a sample of 998 black and 3,727 white examinees to two individual prompts for…

The Council of Chief State School Officers has raised some issues pertinent to the implementation of a national project to collect statistical indicators of academic achievement and to compare them across states. The United States Department of Education shares this concern, with an emphasis on sampling schools for a school level analysis which…

A detailed analysis was conducted of the difficulty over time of the essay prompts for the English Composition Achievement Test (ECT) with Essay of the College Board. Differential difficulty was explored by considering whether the relationship between the reference groups of male and white students and the focal groups (female, American Indian,…

After a review of the recommendations of national reform reports in the 1980's concerning teacher education programs and legislation enacted and regulatory systems established in Mississippi to facilitate educational reform and ensure the quality of teacher education major courses, this paper describes a study of the American College Test that…

Recent trends in achievement test scores among elementary and secondary school students in Iowa are examined. Form 7 of the Iowa Tests of Basic Skills (ITBS) was used to measure the achievement of students in grades 3 and 7; and Form X-7 of the Iowa Tests of Educational Development (ITED) was used for 11th graders. These grade levels were chosen…

The Educational Testing Service (ETS) was contracted by the National Center for Education Statistics to investigate changes in tested achievement using cross-sectional comparisons between the 1972 National Longitudinal Study (NLS) seniors and the 1980 High School and Beyond (HSB) senior cohort. The ETS is also responsible for estimating the extent…