Table 3. Goodness of Fit Indices for Each Priori-Model From Prior Research on the Clinical Perfectionism Questionnaire (n = 223).
| Model | χ2 | df | TLI | CFI | RMSEA | 95% CI |
|---|---|---|---|---|---|---|
| Two-factor structure | ||||||
| Dickie et al. (2012) | 101* | 34 | .59 | .69 | .09 | .07, .12 |
| Factor 1: 1, 3, 6, 9, 10, 11 | ||||||
| Factor 2: 2, 4, 5, 12 | ||||||
| Stoeber and Damian (2014) a | 116* | 49 | .72 | .79 | .08 | .06, .10 |
| Factor 1: 1, 3, 5, 6, 7, 8, 9, 10, 11 | ||||||
| Factor 2: 2, 4, 5, 7, 8, 9, 12 | ||||||
| Stoeber and Damian (2014)a, without reversed items | 76* | 31 | .73 | .81 | .08 | .06, .11 |
| Factor 1: 1, 3, 5, 6, 7, 9, 10, 11 | ||||||
| Factor 2: 4, 5, 7, 9, 12 | ||||||
| Egan et al. (2016) b | NAc | NA | NA | NA | NA | NA |
| Factor 1: 1, 3, 6, 7, 8, 9, 10, 11 | ||||||
| Factor 2: 1, 2, 4, 5, 8, 12 | ||||||
| Moloodi et al. (2017) d | 114* | 43 | .66 | .74 | .09 | .07, .11 |
| Factor 1: 1, 3, 6, 7, 9, 10, 11 | ||||||
| Factor 2: 2, 4, 5, 12 | ||||||
| Single factor structure | ||||||
| Single factor | 142* | 54 | .67 | .73 | .09 | .07, .10 |
| Single factor without reversed items | 91* | 35 | .70 | .77 | .09 | .06, .11 |
Note. Likelihood-ratio χ2-test (p > .05), the Tucker-Lewis Index (TLI; > .95), the Comparative Fit Index (CFI; > .95), the Root Mean Square Error of Approximation (RMSEA; < .06), cutoffs for indices presented in parentheses. df = Degrees of Freedom; CI = Confidence Interval.
aBased on the results reported for the first Exploratory Factor Analysis.
bBased on the results reported for Study 1.
cModel did not converge.
dBased on the results reported for the general population.
*p < .05.