Table 2.
Results From PCA and CFA Each of the Four Self-Report Measures of Psychopathy
| Scale | λ1 | λ2 | λ3 | UNIDI | CFI | TLI | RMSEA | WRMR |
|---|---|---|---|---|---|---|---|---|
| LSRP | ||||||||
| Primary psychopathy | 5.05 | 1.42 | .98 | 8.16 | .97 | .96 | .07 | 2.07 |
| Secondary psychopathy | 2.36 | 1.33 | 1.09 | 4.11 | .83 | .77 | .13 | 2.91 |
| PAI ANT | ||||||||
| Antisocial behavior | 3.14 | 1.08 | .85 | 8.88 | .96 | .90 | .10 | 3.15 |
| Egocentricity | 2.53 | 1.28 | .95 | 3.90 | .91 | .88 | .13 | 2.82 |
| Stimulus seeking | 3.32 | 1.10 | .84 | 8.45 | .99 | .99 | .06 | 1.49 |
| PPI-SF | ||||||||
| Blame externalization | 3.41 | .78 | .75 | 76.78 | .99 | .99 | .08 | 1.61 |
| Social potency | 3.15 | .93 | .75 | 12.36 | .97 | .96 | .12 | 2.38 |
| Machiavellian | 2.54 | .97 | .93 | 36.17 | .97 | .96 | .07 | 1.50 |
| Fearlessness | 2.95 | .96 | .74 | 9.06 | .99 | .99 | .05 | 1.20 |
| Coldheartedness | 2.03 | 1.06 | .96 | 9.78 | .93 | .90 | .07 | 1.50 |
| Impulsive nonconformity | 2.33 | 1.06 | .97 | 13.78 | .94 | .91 | .08 | 1.75 |
| Stress immunity | 3.15 | .83 | .79 | 68.00 | .99 | .99 | .05 | 1.13 |
| Carefree nonplanfulness | 2.26 | 1.25 | .95 | 3.46 | .88 | .81 | .14 | 2.92 |
| SRP-II | ||||||||
| Interpersonal | 4.92 | 1.45 | 1.10 | 9.73 | .96 | .95 | .08 | 2.06 |
| Disinhibition/Impulsivity | 3.30 | .98 | .96 | 139.75 | .99 | .99 | .05 | 1.08 |
| Fearlessness | 2.21 | .86 | .84 | 64.91 | .99 | .99 | .06 | .75 |
| Coldheartedness | 2.74 | .86 | .75 | 17.30 | 1.00 | .99 | .05 | .82 |
Note. λ1, λ2, λ3 = first three eigenvalues of the polychoric correlation matrix from principal component analyses (PCAs); UNIDI = UNIDI index, where UNIDI index > 5 shows good support of unidimensionality (Martínez Arias, 1995, p. 297); CFI = comparative fit index; TLI = Tucker-Lewis Index; RMSEA = root-mean-square error of approximation; WRMR = weighted root-mean-square residual; LSRP = Levenson Self-Report Psychopathy Scale; PAI ANT = Personality Assessment Inventory—Antisocial Features Scale; PPI-SF = Psychopathic Personality Inventory-Short Form; SRP-II = Self-Report Psychopathy Scale-II.