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Table 3 Summary of fit indices for three alternative CFA models

From: A comparison of three-factor structure models using WISC-III in Greek children with learning disabilities

Models χ 2 df p CFI TLI RMSEA SRMR BIC
Single-factor (M1) 49.94 34 .038 .95 .93 .097 .059 2465.1
Correlated two-factor (M2)a 38.39 33 .238 .98 .98 .057 .050 2457.5
Correlated two-factor (M3)b 41.58 33 .145 .97 .96 .072 .053 2460.7
  1. aM2: factor 1 is loaded by performance subtests except “Picture Arrangement” which loads on the second factor; factor 2 is loaded by verbal subtests except “Comprehension” which loads on the first one
  2. bM3: factor 1 is loaded by performance subtests; factor 2 is loaded by verbal subtests