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| Factor Analysis× | تکنیک گرید ریپرتوری× | |
|---|---|---|
| حوزه≠ | آمار پژوهش | روانشناسی |
| خانواده≠ | Process / pipeline | Hypothesis test |
| سال پیدایش≠ | 1931 | 1955 |
| پدیدآور≠ | Louis Leon Thurstone | George Kelly |
| نوع≠ | Method | Qualitative-quantitative hybrid |
| منبع بنیادین≠ | Thurstone, L. L. (1947). Multiple Factor Analysis. University of Chicago Press. DOI ↗ | Kelly, G. A. (1955). The psychology of personal constructs. Norton. link ↗ |
| نامهای دیگر | EFA, CFA, latent variable modeling | Rep Grid, Repertory Grid Test, Kelly Grid |
| مرتبط≠ | 3 | 1 |
| خلاصه≠ | 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. | The Repertory Grid is a qualitative-quantitative method derived from Personal Construct Theory that elicits how individuals construe (interpret and evaluate) a domain of interest—people, concepts, events, or objects—through their own idiosyncratic dimensions or 'constructs.' Introduced by George Kelly in 1955, the method generates a grid of elements (e.g., people) rated along personally meaningful bipolar constructs, revealing cognitive structures, values, and reasoning patterns without imposing researcher-defined categories. |
| ScholarGateمجموعهداده ↗ |
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