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Thompson, Bruce – 1993
The nature of percentile ranks scores is explored using concrete heuristic examples. It is explained why arithmetic operations require measurement on equal-interval scales, and that percentile ranks are not measured on equal-interval scales and therefore may not be added or averaged. The consequences of inappropriately adding percentile ranks are…
Descriptors: College Admission, College Entrance Examinations, Decision Making, Ethics
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Jacob, Brian A.; Levitt, Steven D. – Education Next, 2004
This article describes the results of a three-year investigation into cheating by school personnel. The goals of this research were to measure the prevalence of cheating by teachers and administrators and to analyze the factors that predict cheating. Using data on test scores and student records from the Chicago Public Schools, the authors…
Descriptors: Testing Programs, Student Records, Statistical Analysis, School Personnel