Assessing the Unidimensionality of Clayton’s Environmental Identity Scale Using Confirmatory Factor Analysis (CFA) and Bifactor Exploratory Structural Equation Modeling (bifactor-ESEM)

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dc.contributor.authorMoreira, Paulo
dc.contributor.authorLoureiro, Ana Luisa Cardoso Marques Teixeira
dc.contributor.authorInman, Richard
dc.contributor.authorOlivos-Jara, Pablo
dc.contributor.institutionHEI-LAB (FCT) - Digital Laboratories for Environments and Human Interactions
dc.date.issued2021
dc.description.abstractA relevant intrapersonal characteristic for understanding intentions and behavior toward environmental sustainability is the degree to which nature is important for a person’s self-definition. Clayton’s Environmental Identity (EID) scale purports to measure this construct. However, a limited number of prior exploratory studies of this measure have supported different factor structures. Hence, our initial aim was to develop an understanding of the dimensionality of Clayton’s 24-item EID scale by testing competing latent structures using confirmatory factor analysis. We analyzed self-reported data from 458 adults (Mage = 26.7 years; 81% female). Four a priori models (a first-order model, a second-order model, a unidimensional model, and a bifactor model) did not show satisfactory fit to the data. An ancillary analysis using bifactor exploratory structural equation modeling (bifactor-ESEM) indicated a bifactor model with three specific factors had a good fit to the data. The factor loadings of this model and values for bifactor indices (Omega Hierarchical and Explained Common Variance [ECV]) indicated a single mean score across all EID scale items taps into an essentially unidimensional construct and is therefore appropriate to interpret. In sum, our study provides a critical insight into the dimensionality of Clayton’s EID scale that will be valuable when applying this measure for research and intervention purposes.pt
dc.description.statusNon peer reviewed
dc.formatapplication/pdf
dc.identifier.citationMoreira , P , Loureiro , A L C M T , Inman , R & Olivos-Jara , P 2021 , ' Assessing the Unidimensionality of Clayton’s Environmental Identity Scale Using Confirmatory Factor Analysis (CFA) and Bifactor Exploratory Structural Equation Modeling (bifactor-ESEM) ' , Default journal .
dc.identifier.issn1646-3730
dc.language.isoeng
dc.publisherEdições Universitárias Lusófonas
dc.relation.ispartofDefault journal
dc.rightsopenAccess
dc.subjectESEM
dc.subjectPSICOLOGIA
dc.subjectPSICOMETRIA
dc.subjectECOLOGIA
dc.subjectBIFACTOR MODEL
dc.subjectPSYCHOLOGY
dc.subjectPSYCHOMETRICS
dc.subjectECOLOGY
dc.titleAssessing the Unidimensionality of Clayton’s Environmental Identity Scale Using Confirmatory Factor Analysis (CFA) and Bifactor Exploratory Structural Equation Modeling (bifactor-ESEM)en
dc.typearticle

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