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The KR-20 Reliability Coefficient as a Special Case of a More General Formula [microform] / Donald M. Smith
Bib ID 5305812
Format BookBook, MicroformMicroform, OnlineOnline
Author
Smith, Donald M
 
Online Versions
Description [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1976 
19 p. 
Summary

The Kuder Richardson-20 Formula is shown to be a special case, where each examinee is given sufficient time to answer each item, of a more general formula where each examinee may not be allowed the necessary time. The formula is extended to allow two scores, knowledge and speed, to be extracted from each examinees test score. Using a sample of 82 first quarter freshmen it was found that, compared to the simple total score, the two extracted scores gave better prediction of grade-point-average (gpa) in guantitative areas and was equally effective in predicting gpa in nonquantitative areas. (Author/DEP)

Notes

ERIC Note: Paper presented at the Annual Meeting of the American Educational Research Association (60th, San Francisco, California, April 19-23, 1976).

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 Career Development.  |  Comparative Analysis.  |  Grade Point Average.  |  Predictive Measurement.  |  Predictive Validity.  |  Response Style (Tests)  |  Scoring.  |  Statistical Analysis.  |  Test Interpretation.  |  Test Reliability.  |  Test Theory.  |  Timed Tests.  |  True Scores.  |  Kuder Richardson Reliability Formulas  |  Speeded Tests
Form/genre Reports, Research.
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