Meta-Analysis of Coefficient Alpha

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...

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Bibliographic Details
Published inPsychological methods Vol. 11; no. 3; pp. 306 - 322
Main Authors Rodriguez, Michael C, Maeda, Yukiko
Format Journal Article
LanguageEnglish
Published United States American Psychological Association 01.09.2006
Subjects
Generalization
Humans
Meta Analysis
Meta-Analysis as Topic
Models, Psychological
Psychology
Psychology - methods
Psychology - statistics & numerical data
Reliability
Sampling
Statistical Distributions
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Summary: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.
ISSN:1082-989X
DOI:10.1037/1082-989X.11.3.306