Reliability generalization: Exploring variance in measurement error affecting score reliability across studies

被引:295
作者
Vacha-Haase, T [1 ]
机构
[1] Western Michigan Univ, Kalamazoo, MI 49008 USA
关键词
D O I
10.1177/0013164498058001002
中图分类号
G44 [教育心理学];
学科分类号
0402 ; 040202 ;
摘要
Because tests are not reliable, it is important to explore score reliability in virtually all studies. The present article proposes and illustrates a new method-reliability generalization-that can be used in a meta-analysis application similar to validity generalization. Reliability generalization characterizes (a) the typical reliability of scores for a given test across studies, (b) the amount of variability in reliability coefficients for given measures, and (c) the sources of variability in reliability coefficients across studies. The use of reliability generalization is illustrated here by analyzing 87 reliability coefficients reported for the two scales of the Bem Sex Role Inventory (BSRI).
引用
收藏
页码:6 / 20
页数:15
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