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| Εξελικτική Παραγοντική Ανάλυση Πολλαπλών Ομάδων (MGEFA)× | Διερευνητική Ανάλυση Παραγόντων (EFA)× | |
|---|---|---|
| Πεδίο≠ | Ψυχομετρία | Στατιστική |
| Οικογένεια | Latent structure | Latent structure |
| Έτος προέλευσης≠ | 1981 | — |
| Δημιουργός≠ | Muthén & Christoffersson | — |
| Τύπος≠ | Latent variable / multi-group dimension reduction | Latent variable / dimension reduction |
| Θεμελιώδης πηγή≠ | Muthén, B. & Christoffersson, A. (1981). Simultaneous factor analysis of dichotomous variables in several groups. Psychometrika, 46(4), 407–419. DOI ↗ | Fabrigar, L. R., Wegener, D. T., MacCallum, R. C. & Strahan, E. J. (1999). Evaluating the use of exploratory factor analysis in psychological research. Psychological Methods, 4(3), 272–299. DOI ↗ |
| Εναλλακτικές ονομασίες≠ | MGEFA, multi-sample exploratory factor analysis, simultaneous EFA across groups, exploratory factor analysis with multiple groups | common factor analysis, açımlayıcı faktör analizi, factor analysis |
| Συναφείς≠ | 6 | 4 |
| Σύνοψη≠ | Multi-group exploratory factor analysis estimates the latent factor structure of a set of items separately within each of two or more groups and then examines whether the discovered structures are consistent across groups. It is used to explore dimensionality before imposing invariance constraints, and to diagnose group-specific factor patterns that would invalidate cross-group comparisons. | Exploratory factor analysis reduces a large set of observed variables into a smaller number of latent common factors. It is widely used in scale development and psychometrics to uncover the dimensional structure that underlies a set of correlated items, without specifying that structure in advance. |
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