Latent structure
Exploratory Factor Analysis (EFA)
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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Sources
- 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: 10.1037/1082-989X.4.3.272 ↗
- Hair, J. F., Black, W. C., Babin, B. J. & Anderson, R. E. (2019). Multivariate Data Analysis (8th ed.). Cengage Learning. ISBN: 978-1473756540
Related methods
Referenced by
2PL IRT3PL IRTBayesian Confirmatory Factor AnalysisBayesian EFABayesian Factor AnalysisBayesian Measurement InvarianceBayesian Principal Component AnalysisBayesian Scale DevelopmentBifactor ModelCFACFA — Scale ValidationCluster AnalysisComputerized adaptive test item response theoryComputerized adaptive test Rasch modelConfirmatory factor analysisConstruct ValidityContent ValidityCronbach's AlphaDIF AnalysisDiscriminant ValidityEFA for Scale DevelopmentGMMGRMHierarchical Exploratory Quantitative ResearchItem AnalysisItem Response TheoryLatent Class AnalysisLCALGC ModelLongitudinal Construct ValidityLongitudinal EFALongitudinal Generalizability TheoryMcDonald's OmegaMcDonald's OmegaMixture ModelingMulti-group confirmatory factor analysisMulti-group EFAMulti-group measurement invarianceMulti-group scale developmentMultidimensional ScalingMultilevel CFAMultilevel EFAMultivariate Exploratory Quantitative ResearchOrdinal CFAOrdinal Content ValidityOrdinal EFAOrdinal Reliability AnalysisPanel-based exploratory quantitative researchPCM / GPCMPolytomous Construct ValidityPolytomous EFAPolytomous item analysisRasch ModelRobust Confirmatory Factor AnalysisRobust Exploratory Factor AnalysisRobust Item AnalysisScale developmentSEMShort-form item analysisShort-form reliability analysisShort-Form Scale Development