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Western Michigan Univ., Kalamazoo. School of Education. – 1977
When survey data are analyzed by computer, a codebook is necessary to show how raw scores are translated to computer-usable form. When data are tabulated by hand, the need for a codebook depends upon the number of respondents, the number and complexity of items, and the types of statistical manipulations required. During the process of coding,…
Descriptors: Codification, Data Processing, Input Output, Item Analysis
District of Columbia Public Schools, Washington, DC. Dept. of Research and Evaluation. – 1979
Using data collected in 1977-78, the Evaluation System has computed fall and spring mathematics scores on the Prescriptive Mathematics Test (PMT) for classes of students in grades one through six. In addition, relationships of performance on the PMT to class size, attendance, percent of males in the class, number of different test levels used in a…
Descriptors: Academic Achievement, Achievement Tests, Attendance, Class Size