Cargando…
On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha
This discussion paper argues that both the use of Cronbach’s alpha as a reliability estimate and as a measure of internal consistency suffer from major problems. First, alpha always has a value, which cannot be equal to the test score’s reliability given the interitem covariance matrix and the usual...
| Autor principal: | |
|---|---|
| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Springer-Verlag
2008
|
| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2792363/ https://www.ncbi.nlm.nih.gov/pubmed/20037639 http://dx.doi.org/10.1007/s11336-008-9101-0 |