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Download full textRadunzel, Justine; Allen, Jeff – ACT, Inc., 2020
We examined how ACT® Aspire® (from grades 8 to 10), PreACT® (from grade 10), and ACT® test scores (from grades 10 and 11) relate to students' chances of scoring a 3 or higher as well as 4 or higher on selected Advanced Placement (AP) exams. Data for the study was available for 49,220 students from 318 high schools who had taken at least one AP…
Descriptors: Predictor Variables, Academic Achievement, College Entrance Examinations, High School Students
Tsai, Tsung-Hsun – 1997
The primary objective of this study was to find the smallest sample size for which equating based on a random groups design could be expected to result in less overall equating error than had no equating been conducted. Mean, linear, and equipercentile equating methods were considered. Some of the analyses presented in this paper assumed that the…
Descriptors: Equated Scores, Error of Measurement, Estimation (Mathematics), Sample Size
