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Variability of Kuder-Richardson Formula 20 Reliability Estimates

Author(s):
Cleary, T. Anne; Linn, Robert L.
Publication Year:
1968
Report Number:
RB-68-07
Source:
ETS Research Bulletin
Document Type:
Report
Page Count:
10
Subject/Key Words:
Error of Measurement, Kuder-Richardson Formulas, Mathematical Formulas, Rhodesia, Statistical Analysis, Test Reliability

Abstract

The standard error of a Kuder-Richardson Formula 20 reliability coefficient is derived and two approximations to it are presented. The values from the exact solutions and from the approximations are compared with empirical values.

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