Fit Indexes, Lagrange Multipliers, Constraint Changes and Incomplete Data in Structural Models

@article{bentler:1990:cfi, abstract = {Certain aspects of model modification and evaluation are discussed, with an emphasis on some points of view that expand upon or may differ from Kaplan (1990). The usefulness of BentlerBonett indexes is reiterated. When degree of misspecification can be measured by the size of the noncentrality parameter of a x[SUP2] distribution, the comparative fit index provides a useful general index of model adequacy that does not require knowledge of sourees of misspecification. The dependence of the Lagrange Multiplier X[SUP2] statistic on both the estimated multiplier parameter and estimated constraint or parameter change is discussed. A sensitivity theorem that shows the effects of unit change in constraints on model fit is developed for model modification in structural models. Recent incomplete data methods, such as those developed by Kaplan and his collaborators, are extended to be applicable in a wider range of situations.}, author = {Bentler, P. M. }, citeulike-article-id = {3367526}, doi = {http://dx.doi.org/10.1207/s15327906mbr2502\_3}, journal = {Multivariate Behavioral Research}, keywords = {latent\_variables, sem}, number = {2}, pages = {163--172}, posted-at = {2008-10-02 22:54:31}, priority = {2}, publisher = {Psychology Press}, title = {Fit Indexes, Lagrange Multipliers, Constraint Changes and Incomplete Data in Structural Models}, url = {http://dx.doi.org/10.1207/s15327906mbr2502\_3}, volume = {25}, year = {1990} }

TY - JOUR ID - bentler:1990:cfi L3 - citeulike-article-id:3367526 N2 - Certain aspects of model modification and evaluation are discussed, with an emphasis on some points of view that expand upon or may differ from Kaplan (1990). The usefulness of BentlerBonett indexes is reiterated. When degree of misspecification can be measured by the size of the noncentrality parameter of a x[SUP2] distribution, the comparative fit index provides a useful general index of model adequacy that does not require knowledge of sourees of misspecification. The dependence of the Lagrange Multiplier X[SUP2] statistic on both the estimated multiplier parameter and estimated constraint or parameter change is discussed. A sensitivity theorem that shows the effects of unit change in constraints on model fit is developed for model modification in structural models. Recent incomplete data methods, such as those developed by Kaplan and his collaborators, are extended to be applicable in a wider range of situations. IS - 2 JF - Multivariate Behavioral Research EP - 172 TI - Fit Indexes, Lagrange Multipliers, Constraint Changes and Incomplete Data in Structural Models PB - Psychology Press VL - 25 SP - 163 KW - latent_variables KW - sem AU - Bentler, PM PY - 1990/// UR - http://dx.doi.org/10.1207/s15327906mbr2502_3 ER -