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. Author manuscript; available in PMC: 2016 Mar 18.
Published in final edited form as: Sci Stud Read. 2015 Apr 16;19(4):253–272. doi: 10.1080/10888438.2015.1022650

TABLE 2.

Model Fit Indices

Model Fit Variance Components
−2 RLL AIC AICC BIC Person Item Residual
Baseline model 50380.30 50386.30 50386.30 50380.30 0.60 0.24 0.87
Item covariates 50161.90 50167.90 50167.90 50161.90 0.60 0.24 0.86
Person covariates 47147.00 47153.00 47153.00 47147.00 0.38 0.25 0.87
Item and person covariate (reading comprehension) 48757.50 48763.50 48763.50 48757.50 0.48 0.25 0.86
Item and person covariates (all person covariates) 46929.70 46935.70 46935.70 46929.70 0.38 0.25 0.86

Note. −2RLL = −2 Residual Log Likelihood; AIC = Akaike’s Information Criteria; AICC = Akaike’s Information Criteria Corrected; BIC = Bayesian Information Criteria.