Measurement and Evaluation in Guidance · 1974 · 25 citations · 4 references
EducationEducational AssessmentEducational MeasurementIndividual DifferencesPsychometricsTest DevelopmentAchievement TestingItem AnalysisChoice TestsMultiple RegressionMultiple-choice QuestionsStandardized Test ScoresWrong Answer Analysis
Through the technique of multiple regression analysis, this ex post facto study investigated the problem of changing answers on multiple choice achievement tests. The net number of correct answers was regressed against grade point average, test scores, ratio of answers changed, sex, and relative difficulty of the tests. The results showed significant increments made in the total score by changing original answers.
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