Net-shift analysis for comparing distributions of test scores
Center for the Study of Evaluation of Instructional Programs, University of California, 1968 - Educational tests and measurements - 28 pages
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20 shift units adjacent cell aggregate net shift aggregate shift average score CD CD cd H CD Q cell of row central tendency comparing distributions corresponding cell corresponding percent decile cell distribution of scores distributions of test Exhibit fifth graders gains or losses group of students group scored groups of pupils H H CD H rH high scores higher cell instructional programs losses have occurred low scores means of rows national norm distribution net-shift analysis norm group percent of scores percents in row percents shown Pi H PQ U X quartile raw score interval Raw Score Ranges reading scores reference distribution remedial program rH rH rH row A exactly row X indicates scores has shifted scores in row scores shift shift occurred shown in row square analysis STANFORD UNIVERSITY study group sum of row test score distributions third grade tion total of row weighted high-score shift weighted low-score shift