Abstract
This article is a brief commentary in response to “Gundy, C.M., Fayers, P.M., Groenvold, M., Petersen, M. Aa., Scott, N.W., Sprangers, M.A.J., Velikov, G., Aaronson, N.K. (2011). Comparing higher-order models for the EORTC QLQ-C30. Quality of Life Research, doi:10.1007/s11136-011-0082-6.” The commentary argues that approximate goodness-of-fit indexes cannot be used to salvage confirmatory factor models rejected by the Chi-square test of exact fit. Instead, rigorous diagnostic procedures should be used to identify and resolve the particular sources of model misspecification.
Abbreviations
- AGFI:
-
Approximate goodness-of-fit index
- CFA:
-
Confirmatory factor analysis
- CFI:
-
Comparative fit index
- SEM:
-
Structural equation modeling
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McIntosh, C.N. Improving the evaluation of model fit in confirmatory factor analysis: A commentary on Gundy, C.M., Fayers, P.M., Groenvold, M., Petersen, M. Aa., Scott, N.W., Sprangers, M.A.J., Velikov, G., Aaronson, N.K. (2011). Comparing higher-order models for the EORTC QLQ-C30. Quality of Life Research, doi:10.1007/s11136-011-0082-6. Qual Life Res 21, 1619–1621 (2012). https://doi.org/10.1007/s11136-011-0084-4
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DOI: https://doi.org/10.1007/s11136-011-0084-4