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Differential Weighting of Multiple-Choice Items [microform] / David V. Budescu
Bib ID 5405538
Format BookBook, MicroformMicroform, OnlineOnline
Author
Budescu, David V
 
Online Versions
Description [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1979 
24 p. 
Summary

This paper outlines a technique for differentially weighting options of a multiple choice test in a fashion that maximizes the item predictive validity. The rule can be applied with different number of categories and the "optimal" number of categories can be determined by significance tests and/or through the R2 criterion. Our theoretical analysis indicates that more complex scoring rules have: higher item validities, higher item variances, higher score variances, and are also likely to increase the interitem correlations and the test reliability. A plausible explanation for the apparent paradox of lack of improvement in the test validity, based on the relation between interitem correlations and item validities, is offered. (Author)

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 Multiple Choice Tests.  |  Predictive Validity.  |  Scoring Formulas.  |  Test Items.  |  Test Theory.  |  Weighted Scores.
Form/genre Reports, Evaluative.
Other authors/contributors Educational Testing Service, Princeton, NJ
Available From ERIC 

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