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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: J Educ Psychol. 2014 Jul 7;107(1):79–95. doi: 10.1037/a0037210

Table 5.

Model fit indices for alternative models

Model χ2 (df) CFI TLI RMSEA SRMR Comparison to model
1: Δχ2 , Δdf (p)
1 3 latent variables
(Quality, Productivity, CBM)		 1061.00 (153) .90 .88 .11 .083
2 2 latent variables
(Quality+CBM, Productivity)		 1262.21 (155) .88 .85 .12 .098 201.21, 1 (p < .001)
3 2 latent variables
(Productivity+CBM, Quality)		 1702.65 (155) .83 .79 .14 .12 641.65, 1 (p < .001)
4 2 latent variables
(Quality +Productivity, CBM)		 1344.67 (155) .87 .84 .13 .106 283.67,1 (p < .001)
5 1 latent variable
(Quality +Productivity+CBM)		 1727.22 (156) .83 .79 .14 .121 666.22, 2 (p < .001)

Note. CBM = curriculum-based measurement