Meta-analysis of coefficient alpha

被引:158
|
作者
Rodriguez, Michael C. [1 ]
Maeda, Yukiko [1 ]
机构
[1] Univ Minnesota, Dept Educ Psychol, Minneapolis, MN 55455 USA
关键词
coefficient alpha; meta-analysis; reliability;
D O I
10.1037/1082-989X.11.3.306
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
The meta-analysis of coefficient alpha across many studies is becoming more common in psychology by a methodology labeled reliability generalization. Existing reliability generalization studies have not used the sampling distribution of coefficient alpha for precision weighting and other common meta-analytic procedures. A framework is provided for a statistically grounded meta-analysis of coefficient alpha using its sampling distribution. Two empirical examples are offered to illustrate these methods, and limitations of reliability generalization are described.
引用
收藏
页码:306 / 322
页数:17
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