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Table 6 Goodness of fit index and comparative fit indices for the doping opinion model depicted in Figures 3 and 4

From: Methodological considerations regarding response bias effect in substance use research: is correlation between the measured variables sufficient?

Fit index

Good fit/Cut-off

SD effect at the individual indicator measures

SD as an independent predictor variable

Overall fit

p > 0.05

χ2 = 25.1 df = 11, p = .009

χ2 = 22.916, df = 13, p = .043

 

χ 2 /df <3

χ2/df = 2.283

χ2/df = 1.763

CFI

CFI > 0.9

.962

0.974

TLI

TLI > 0.9

.877

0.927

RMSEA

RMSEA < 0.05

.0568 90%CI = .033, .104

.052 90%CI = .009, .087

PCLOSE

PCLOSE > 0.05

.176

.411

  1. CFI: comparative fit index; TLI: Tucker Lewis coefficient; RMSEA: root mean square error of approximation (<0.8 reasonable, <0.5 is good, > 0.1 is not good); PCLOSE: p of close fit (H0: RMSEA = 0.05)