Table 3.
Fit Statistics for Models of Personality, Schizotypy, and Psychosis Symptoms
| Model | Para | BIC | AIC | χ2 (df) | RMSEA (90% CI) | CFI | TLI | SRMR |
|---|---|---|---|---|---|---|---|---|
| 1) 5-Factor | 83 | 29 248.96 | 28 942.38 | 499.435 (192) | 0.073 (0.066–0.081) | 0.907 | 0.888 | 0.079 |
| 2) SANS on psychoticism | 86 | 29 266.08 | 28 948.42 | 501.192 (189) | 0.075 (0.067–0.083) | 0.905 | 0.884 | 0.078 |
| 3) 6-Factor positive | 88 | 29 250.89 | 28 925.84 | 478.805 (187) | 0.072 (0.064–0.081 | 0.912 | 0.891 | 0.073 |
| 4) 6-Factor negative | 87 | 29 274.24 | 28 952.89 | 502.395 (188) | 0.075 (0.067–0.083) | 0.905 | 0.883 | 0.097 |
| 5) 7-Factor | 93 | 29 278.37 | 28 934.86 | 479.155 (182) | 0.074 (0.066–0.082) | 0.910 | 0.886 | 0.089 |
Note: In all models, BFI Neuroticism loads on Neuroticism, BFI-Extraversion and SNAP Detachment load on Extraversion, BFI-Conscientiousness loads on Conscientiousness, BFI-Agreeableness loads on Agreeableness, and SNAP Eccentric Perceptions and SNAP Mistrust load on Psychoticism. 1) 5-Factor: SAPS Reality Distortion and SAPS Disorganized load on Psychoticism, SANS Inexpressivity and SANS Avolition load on Extraversion. 2) SANS on Psychoticism: SANS Avolition and Inexpressivity crossload on Psychoticism and Extraversion. SAPS Reality Distortion and Disorganized load on Psychoticism; 3) 6-Factor Positive: SANS Avolition and Inexpressivity load on Extraversion, SAPS Reality Distortion and Disorganized form separate sixth factor; 4) 6-Factor Negative: SAPS Reality Distortion and Disorganized load on Psychoticism, SANS Avolition and Inexpressivity form separate sixth factor; 5) 7-Factor: SAPS Reality Distortion and Disorganized for separate sixth factor, SANS Avolition and Inexpressivity form separate seventh factor. The best-fitting model is in bold. BIC, Bayesian Information Criterion; AIC, Akaike Information Criterion; RMSEA, Root Mean Squared Error of Approximation; CFI, Comparative Fit Index; TLI, Tucker-Lewis Index; BFI, Big Five Inventory; SNAP, Schedule for Nonadaptive and Adaptive Personality.