Cronbach s Coefficient Alpha: A Meta-Analysis Study
نویسندگان
چکیده
منابع مشابه
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-analytic procedures. A framework is provided for a statistically grounded meta-analysis of coeff...
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15 صفحه اولStatistical power as a function of Cronbach alpha of instrument questionnaire items
BACKGROUND In countless number of clinical trials, measurements of outcomes rely on instrument questionnaire items which however often suffer measurement error problems which in turn affect statistical power of study designs. The Cronbach alpha or coefficient alpha, here denoted by C(α), can be used as a measure of internal consistency of parallel instrument items that are developed to measure ...
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ژورنال
عنوان ژورنال: Hacettepe University Journal of Education
سال: 2016
ISSN: 1300-5340
DOI: 10.16986/huje.2016017219