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. Author manuscript; available in PMC: 2014 Sep 11.
Published in final edited form as: J Exp Psychol Learn Mem Cogn. 2013 Apr 8;39(5):1344–1364. doi: 10.1037/a0032379

Table 3.

Fit Indices for Measurement Models of Memory Variables (n = 510).

Model SRMR AIC CFI APGI RMSEA χ2 d.f. χ2/df
1 Semantic + Episodic + Working (correlated) .045 .186 .964 .960 .067 56.93 17 3.35
2 Semantic + Episodic + Working (uncorrelated) .196 .555 .794 .815 .152 252.51 21 12.02
3 Working + Long-term (correlated) .095 .515 .814 .796 .159 228.10 19 12.00
4 Working + Long-term (uncorrelated) .163 .682 .737 .771 .171 316.91 21 15.09
5 Unitary .097 .539 .802 .794 .161 242.50 20 12.16
6 Semantic + Episodic + Working (correlated) − Revised .034 .147 .983 .980 .048 34.77 16 2.17

Note. Model 6 is model 1 with the addition of a working memory → letter fluency relationship (see main text for explanation). The endorsed model is indicated in bold.