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A Statistical Test for Cheating [microform] / Frederic M. Lord
Bib ID 5259895
Format BookBook, MicroformMicroform, OnlineOnline
Author
Lord, Frederic M
 
Online Versions
Description [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1974 
9 p. 
Summary

A statistical test for cheating is developed. The case of a single examinee who has taken parallel forms of the same selection test on three occasions, obtaining scores x, y, z, is used to illustrate the development. It is assumed that each score is normally distributed with the same known variance, that is, the variance of the errors of measurement. These scores are further assumed to be distributed independently, since each score differs from its mean (true) value only because of errors of measurement. Based on these assumptions, a significance test is presented to indicate evidence of cheating. Mathematical derivations for the test of significance are presented as well as a numerical example. (Author/RC)

Notes

May also be available online. Address as at 14/8/18: https://eric.ed.gov/

Reproduction Microfiche. [Washington D.C.]: ERIC Clearinghouse microfiches : positive. 
Subjects Cheating.  |  Hypothesis Testing.  |  Statistical Analysis.  |  Statistical Significance.  |  Testing.  |  True Scores.
Form/genre Reports, Research.
Other authors/contributors Educational Testing Service, Princeton, NJ
Available From ERIC 

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