A Direct Latent Variable Modeling Based Method for Point and Interval Estimation of Coefficient Alpha

被引：45
|
作者：
Raykov, Tenko [1 ]
Marcoulides, George A. [2 ]
机构：
[1] Michigan State Univ, E Lansing, MI 48824 USA
[2] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
来源：
EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT | 2015年 / 75卷 / 01期
关键词：
coefficient alpha; confidence interval; latent variable modeling; population discrepancy; RELIABILITY;
D O I：
10.1177/0013164414526039
中图分类号：
G44 [教育心理学];
学科分类号：
0402 ; 040202 ;
摘要：
A direct approach to point and interval estimation of Cronbach's coefficient alpha for multiple component measuring instruments is outlined. The procedure is based on a latent variable modeling application with widely circulated software. As a by-product, using sample data the method permits ascertaining whether the population discrepancy between alpha and the composite reliability coefficient may be practically negligible for a given empirical setting. The outlined approach is illustrated with numerical data.
引用
收藏
页码：146 / 156
页数：11
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