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

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

  P value for Chi-squared test CFIc RMSEAd TLIe
Model 1, unconstrained < 0.001 0.601 0.197 0.219
Model 1, constraineda < 0.001 0.608 0.180 0.346
Model 2, unconstrained 0.366 0.990 0.033 0.978
Model 2, constrainedb 0.400 0.992 0.025 0.987
  1. aHypothesized paths a, b and c were constant throughout the sessions
  2. bHypothesized paths a, b, c, and d were constant throughout the sessions
  3. cComparative Fit Index; considered to be a good fit if above 0.9
  4. dRoot Mean Square Error of Approximation Index; considered to be a good fit if below 0.05
  5. eTucker-Lewis Index; considered to be a good fit if above 0.95