coefficientalpha (Q138557)
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Robust Coefficient Alpha and Omega with Missing and Non-Normal Data
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | coefficientalpha |
Robust Coefficient Alpha and Omega with Missing and Non-Normal Data |
Statements
27 August 2023
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Cronbach's alpha and McDonald's omega are widely used reliability or internal consistency measures in social, behavioral and education sciences. Alpha is reported in nearly every study that involves measuring a construct through multiple test items. The package 'coefficientalpha' calculates coefficient alpha and coefficient omega with missing data and non-normal data. Robust standard errors and confidence intervals are also provided. A test is also available to test the tau-equivalent and homogeneous assumptions. Since Version 0.5, the bootstrap confidence intervals were added.
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