Multidimensionality and Structural Coefficient Bias in Structural Equation Modeling: A Bifactor Perspective
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Cites background from "Multidimensionality and Structural ..."
...A straightforward measure of degree of essential unidimensionality is the ECV (Reise et al., 2013; Sijtsma, 2009; ten Berge & So can, 2004; Stucky & Edelen, 2014; Stucky et al., 2013)....
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347 citations
References
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"Multidimensionality and Structural ..." refers methods in this paper
...Here we use those recommended by Hu and Bentler (1999); namely, RMSEA = .06, SRMR = .08, and CFI = .95....
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...For each condition, we also computed the following three fit indices: (a) the SRMR (Bentler, 2006; Hu & Bentler, 1999), (b) the RMSEA (Browne & Cudeck, 1993), and (c) the CFI (Hu & Bentler, 1999)....
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25,611 citations
"Multidimensionality and Structural ..." refers methods in this paper
...A regression equation including RMSEA, PUC, and their interaction resulted in an R2 value of only .29—arguing against any attempt to interpret its value as a ‘‘unidimensional enough’’ index....
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...For each condition, we also computed the following three fit indices: (a) the SRMR (Bentler, 2006; Hu & Bentler, 1999), (b) the RMSEA (Browne & Cudeck, 1993), and (c) the CFI (Hu & Bentler, 1999)....
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...The linear correlations between fit and structural coefficient are 2.30, .67, and 2.67 for RMSEA, CFI, and SRMR, respectively....
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...This is not too surprising in the present conditions given that RMSEA is only weakly associated with factors that determine structural coefficient bias, such as the strength indices ECV (r = 2.24) and omegaH (r = 2.12), and mean RMSEA changes little with changes in PUC values....
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...Although seldom stated, generally, it is assumed that if the item response data fit the measurement model according to commonly employed goodness-of-fit indices—for example, the comparative fit index (CFI), the root mean square error of approximation (RMSEA), and the standardized root mean residual (SRMR)—then parameter estimates in the structural model are unbiased, and it is safe to proceed with further model enhancement and evaluation.1 When the values of these indices are used to judge whether a unidimensional measurement model provides an ‘‘adequate’’ fit to the data, essentially they are being used in the same way as ‘‘first-factor strength’’ indices in IRT; that is, fit indices are used in practice as indicators that the data are ‘‘unidimensional enough’’ to avoid serious bias in model parameters....
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"Multidimensionality and Structural ..." refers background in this paper
...Rather, given the standard way that many measures of complex psychological constructs are created (Clark & Watson, 1995), we expect that all items will be influenced by at least one common trait....
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3,002 citations