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| Ανάλυση Αξιοπιστίας Πολλαπλών Επιπέδων× | Συντελεστής Άλφα του Cronbach (Ανάλυση Αξιοπιστίας)× | |
|---|---|---|
| Πεδίο≠ | Ψυχομετρία | Στατιστική |
| Οικογένεια | Latent structure | Latent structure |
| Έτος προέλευσης≠ | 2014 | 1951 |
| Δημιουργός≠ | Geldhof, Preacher & Zyphur | Lee J. Cronbach |
| Τύπος≠ | Reliability estimation / psychometric modeling | Reliability / internal consistency coefficient |
| Θεμελιώδης πηγή≠ | 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 ↗ | Cronbach, L. J. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16(3), 297–334. DOI ↗ |
| Εναλλακτικές ονομασίες | multilevel omega, within-group reliability, between-group reliability, hierarchical reliability | coefficient alpha, alpha reliability, internal consistency reliability, Güvenilirlik Analizi (Cronbach Alpha) |
| Συναφείς≠ | 3 | 4 |
| Σύνοψη≠ | 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. | 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. |
| ScholarGateΣύνολο δεδομένων ↗ |
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