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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > April  >
Research: Science and Education
Resources for Student Assessment
A Statistical Analysis of Infrequent Events on Multiple-Choice Tests That Indicate Probable Cheating
Michael J. Sundermann
Lone Star College–Montgomery, Conroe, TX 77384
Cover
April 2008
Vol. 85 No. 4
p. 568
Abstract
A statistical analysis of multiple-choice answers is performed to identify anomalies that can be used as evidence of student cheating. The ratio of exact errors in common (EEIC: two students put the same wrong answer for a question) to differences (D: two students get different answers) was found to be a good indicator of cheating under a wide range of circumstances. The longest continuous streak of identical answers was also a good indicator of cheating, especially for short tests with a low class average. This article also discusses how to interpret the data for use in practical circumstances and discusses ways to prevent cheating.
Supplement
Computer code used for the simulations
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Citation
Sundermann, Michael J. J. Chem. Educ. 2008, 85, 568.
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Keywords
Administrative Issues; Chemical Education Research; First-Year Undergraduate / General; High School / Introductory Chemistry; Second-Year Undergraduate; Testing / Assessment; Upper-Division Undergraduate
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History
Created:
Last Updated:
2/26/2008
3/5/2008
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