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| Višerazinska analiza pouzdanosti× | Konfirmatorna faktorska analiza (CFA)× | Kroenbahova Alfa (Analiza pouzdanosti)× | |
|---|---|---|---|
| Oblast≠ | Psihometrija | Psihometrija | Statistika |
| Porodica | Latent structure | Latent structure | Latent structure |
| Godina nastanka≠ | 2014 | 1969 | 1951 |
| Tvorac≠ | Geldhof, Preacher & Zyphur | Karl Gustav Jöreskog | Lee J. Cronbach |
| Tip≠ | Reliability estimation / psychometric modeling | Hypothesis-testing latent variable model | Reliability / internal consistency coefficient |
| Temeljni izvor≠ | Geldhof, G. J., Preacher, K. J., & Zyphur, M. J. (2014). Reliability estimation in a multilevel confirmatory factor analysis framework. Psychological Methods, 19(1), 72–91. DOI ↗ | Jöreskog, K. G. (1969). A general approach to confirmatory maximum likelihood factor analysis. Psychometrika, 34(2), 183–202. DOI ↗ | Cronbach, L. J. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16(3), 297–334. DOI ↗ |
| Drugi nazivi | multilevel omega, within-group reliability, between-group reliability, hierarchical reliability | CFA, confirmatory FA, measurement model, restricted factor analysis | coefficient alpha, alpha reliability, internal consistency reliability, Güvenilirlik Analizi (Cronbach Alpha) |
| Srodne≠ | 3 | 4 | 4 |
| Sažetak≠ | Multilevel reliability analysis estimates the internal consistency of scale scores separately at the within-group (individual) and between-group (cluster) levels. It corrects the bias that arises when ordinary alpha or omega is applied to hierarchically nested data, such as employees within organizations or students within classrooms. | 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. | Cronbach's alpha is a coefficient of internal consistency that quantifies the degree to which a set of items on a scale measures the same underlying construct. Introduced by Lee J. Cronbach in 1951, it remains the most widely reported reliability index in social-science, health, and educational research. |
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