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Wiser, Berton; Lenke, Joanne M. – 1987
The extent to which national performance on an achievement test battery changed over a 4-year period was studied, and the comparative performance of students in school districts taking the test series for the first time was compared with that of students in districts that had used the battery at least once in one or more grades. The seventh…
Descriptors: Achievement Gains, Achievement Tests, Comparative Testing, Elementary School Students
Download full textKane, Robert B. – 1968
An experimental study examined the possibility that proximity error could bias results from semantic differential questionnaires. Proximity error occurs when, due to the ordering, or polarity, of the differential scales, one answer on the semantic differential results in another answer to a subsequent question being substantially changed from what…
Descriptors: Evaluation, Factor Analysis, Item Analysis, Psychological Testing
