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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Am J Drug Alcohol Abuse. 2016 Feb 23;42(2):203–212. doi: 10.3109/00952990.2015.1133632

Table 2.

Summary of competing models1 of the Positive and Negative Affect Schedule (PANAS) scores. N = 416

Model X2  df CFI2 RMSEA3 X2/df
1a 1 factor, uncorrelated 2599.448 170 .455 .186 15.29
1b 1 factor, correlated errors permitted (CE)4 1377.652 157 .724 .137 8.77
2a 2 factor, uncorrelated 844.415 170 .847 .098 4.97
2b 2 factor, correlated 824.732 169 .853 .097 4.88
2c 2 factor, independent, CE permitted 501.071 157 .923 .073 3.19
2d 2 factor, correlated, CE permitted 478.927 156 .928 .071 3.07
2e 2 factor, correlated, CE permitted, includes “Excited” on both Positive Affect and Negative Affect 478.884 155 .928 .071 3.09

Note. Minimal standards for acceptable model fit. CFI = >.90, RMSEA <.08, and relative chi-square < = 3.00.

1

Error correlational structure derived from Crawford and Henry (2004).

2

CFI = Comparative Fit Index.

3

RMSEA = Root Mean Square Error of Approximation.

4

Correlated Item Errors.