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Does it fit? Caveats and recommendations for assessing model fit

Perry, John and Nicholls, Adam and Clough, Peter and Crust, Lee (2013) Does it fit? Caveats and recommendations for assessing model fit. In: BPS Welsh Branch Annual Conference, November 30th 2013, Wrexham.

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Item Type:Conference or Workshop contribution (Presentation)
Item Status:Live Archive

Abstract

Confirmatory Factor Analysis (CFA) cut-off values, proposed by Hu and Bentler (1999) are commonly used to assess measurement models psychology. This routine practice has been questioned by some (e.g., Hopwood & Donnellan, 2010; Marsh, Hau, & Wen, 2004), but is still commonly used by many. More recently, Exploratory Structural Equation Modelling (ESEM) has been recommended as an alternative method of model assessment. The purpose of this study was to investigate the appropriateness of using the CFA approach with cut-off values for typical multidimensional measures in sport and exercise psychology. Further, we explored whether ESEM provides a more appropriate assessment of model fit. Eight measures commonly used in sport and exercise psychology research were examined using CFA. In total, data was compiled from 8,809 participants. All multidimensional scales used were then assessed using ESEM. Despite demonstrating validity in previous research, all measures failed to meet the strict cut-off values proposed by Hu and Bentler (1999). ESEM significantly improved model fit in all multidimensional measures. In conclusion, we suggest that model misfit in this study demonstrates the inadequacy of using rigid CFA cut-off values. Further, we recommend ESEM as a preferred approach to examining model fit in multidimensional measures.

Keywords:Psychometrics, Confirmatory Factor Analysis, structural equation modeling
Subjects:C Biological Sciences > C800 Psychology
Divisions:College of Social Science > School of Sport and Exercise Science
ID Code:16008
Deposited On:13 Nov 2014 10:31

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