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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.
| Version: | 0.7.2 |
| Depends: | rsem, lavaan |
| Published: | 2023-08-27 |
| DOI: | 10.32614/CRAN.package.coefficientalpha |
| Author: | Zhiyong Zhang and Ke-Hai Yuan |
| Maintainer: | Zhiyong Zhang <johnnyzhz at gmail.com> |
| License: | GPL-2 | GPL-3 [expanded from: GPL] |
| NeedsCompilation: | no |
| In views: | MissingData |
| CRAN checks: | coefficientalpha results |
| Reference manual: | coefficientalpha.pdf |
| Package source: | coefficientalpha_0.7.2.tar.gz |
| Windows binaries: | r-devel: coefficientalpha_0.7.2.zip, r-release: coefficientalpha_0.7.2.zip, r-oldrel: coefficientalpha_0.7.2.zip |
| macOS binaries: | r-release (arm64): coefficientalpha_0.7.2.tgz, r-oldrel (arm64): coefficientalpha_0.7.2.tgz, r-release (x86_64): coefficientalpha_0.7.2.tgz, r-oldrel (x86_64): coefficientalpha_0.7.2.tgz |
| Old sources: | coefficientalpha archive |
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