Enthusiasm for homework and improvement of psychological distress in subthreshold depression during behavior therapy: secondary analysis of data from a randomized controlled trial

Table 2 Goodness-of-fit indexes for the four competing models

	P value for Chi-squared test	CFI^c	RMSEA^d	TLI^e
Model 1, unconstrained	< 0.001	0.601	0.197	0.219
Model 1, constrained^a	< 0.001	0.608	0.180	0.346
Model 2, unconstrained	0.366	0.990	0.033	0.978
Model 2, constrained^b	0.400	0.992	0.025	0.987

^aHypothesized paths a, b and c were constant throughout the sessions
^bHypothesized paths a, b, c, and d were constant throughout the sessions
^cComparative Fit Index; considered to be a good fit if above 0.9
^dRoot Mean Square Error of Approximation Index; considered to be a good fit if below 0.05
^eTucker-Lewis Index; considered to be a good fit if above 0.95

ISSN: 1471-244X