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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Oral Rehabil. 2014 Jun 9;41(9):644–652. doi: 10.1111/joor.12191

Figure 1. Graphical display of the unidimensional (A), four-factor (B), and bifactor (C) models.

Figure 1

Ovals represent latent factors, rectangles represent measured indicators for a latent factor. Lines connecting a latent factor to a measured indicator represent non-zero factor loadings.