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| Q-Methodology× | Analisi Fattoriale× | |
|---|---|---|
| Campo≠ | Psicologia | Statistica per la ricerca |
| Famiglia≠ | Hypothesis test | Process / pipeline |
| Anno di origine≠ | 1935 | 1931 |
| Ideatore≠ | William Stephenson | Louis Leon Thurstone |
| Tipo≠ | Q-sort ranking technique | Method |
| Fonte seminale≠ | Stephenson, W. (1935). Technique of factor analysis. Nature, 136(3434), 297. DOI ↗ | Thurstone, L. L. (1947). Multiple Factor Analysis. University of Chicago Press. DOI ↗ |
| Alias≠ | Q-Sort, Q-Technique | EFA, CFA, latent variable modeling |
| Correlati | 3 | 3 |
| Sintesi≠ | Q-Methodology is a mixed-methods approach that combines quantitative factor analysis with qualitative interpretation to identify distinct perspectives, viewpoints, or 'factors' shared by groups of people. Introduced by William Stephenson in 1935, it uses Q-sorts—where participants rank statements on a continuum—to measure subjective viewpoints systematically. The method applies factor analysis to correlations among Q-sorts (not items), revealing common patterns of opinion or attitude that transcend individual differences. | Factor analysis is a statistical technique for identifying latent (unobserved) dimensions underlying observed variables, developed by Louis Leon Thurstone in the 1930s and formalized by Jöreskog (1969). Exploratory factor analysis (EFA) discovers unknown factor structure from data; confirmatory factor analysis (CFA) tests hypothesized relationships between observed and latent variables. Essential in psychometrics (test development), organizational research (measuring constructs like leadership style), and biomedicine (identifying disease subtypes), factor analysis reduces dimensionality while revealing conceptual organization in multivariate data. |
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