Journal
PSYCHOLOGICAL METHODS
Volume 11, Issue 3, Pages 306-322Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/1082-989X.11.3.306
Keywords
coefficient alpha; meta-analysis; reliability
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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.
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