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| Analisis Reliabilitas Ordinal× | Analisis Faktor Konfirmatori (CFA)× | |
|---|---|---|
| Bidang | Psikometri | Psikometri |
| Keluarga | Latent structure | Latent structure |
| Tahun asal≠ | 2007 | 1969 |
| Pencetus≠ | Bruno D. Zumbo and colleagues | Karl Gustav Jöreskog |
| Tipe≠ | Internal consistency reliability estimation | Hypothesis-testing latent variable model |
| Sumber perintis≠ | Zumbo, B. D., Gadermann, A. M. & Zeisser, C. (2007). Ordinal versions of coefficients alpha and theta as measures of internal consistency for Likert rating scales. Journal of Modern Applied Statistical Methods, 6(1), 21–29. DOI ↗ | Jöreskog, K. G. (1969). A general approach to confirmatory maximum likelihood factor analysis. Psychometrika, 34(2), 183–202. DOI ↗ |
| Alias | ordinal alpha, polychoric reliability, reliability for ordinal scales, ORA | CFA, confirmatory FA, measurement model, restricted factor analysis |
| Terkait≠ | 5 | 4 |
| Ringkasan≠ | Ordinal reliability analysis estimates the internal consistency of scales whose items are measured on ordered-category (Likert-type) response formats. By basing computations on polychoric correlations rather than Pearson correlations, it corrects for the attenuation that standard Cronbach's alpha produces when responses are discrete and non-normal. | Confirmatory factor analysis tests a researcher-specified factor structure against observed data. Unlike exploratory approaches, the researcher decides in advance which indicators load on which latent factor, and the model is evaluated by how closely the implied covariance matrix reproduces the sample covariance matrix. CFA is central to scale validation, construct validity assessment, and measurement invariance testing. |
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