Max Rady College of Medicine

Term: Bollen's Normed Index (Rho1)

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Glossary Definition

Last Updated: 2012-10-16


Incremental measure of goodness of fit for a statistical model, the normed index (also known as relative fit index) is similar to Normed Fit Index with the exception that the fit is affected by each additional parameter or variable in the model (Widaman KF, Thompson JS, 2003).

Related terms 


  • Widaman KF, Thompson JS. Specifying the null model for incremental fit indices in structural equation modeling. Psychological Methods 2003;8(1):16-37.(View)

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