Table 1.
Descriptive Statistics of Four Self-Report Measures of Psychopathy and Their Subscales
| Scale | Measure | Items | Mean (SD) | Min | Max |
|---|---|---|---|---|---|
| LSRP | Primary psychopathy | 16 | 29.44 (8.07) | 16 | 60 |
| Secondary psychopathy* | 9 | 19.77 (4.46) | 9 | 35 | |
| Total | 25 | 49.20 (10.74) | 25 | 89 | |
| PAI ANT | Antisocial behavior | 8 | 7.53 (5.22) | 0 | 24 |
| Egocentricity | 8 | 5.49 (3.80) | 0 | 24 | |
| Stimulus seeking | 8 | 8.18 (4.72) | 0 | 24 | |
| Total | 24 | 21.23 (11.33) | 0 | 71 | |
| PPI-SF | Blame externalization | 7 | 14.60 (4.48) | 7 | 28 |
| Social potency | 7 | 20.15 (4.18) | 7 | 28 | |
| Machiavellian | 7 | 14.94 (3.64) | 7 | 27 | |
| Fearlessness | 7 | 15.64 (5.04) | 7 | 28 | |
| Coldheartedness | 7 | 13.84 (3.19) | 7 | 27 | |
| Impulsive nonconformity | 7 | 13.80 (3.69) | 7 | 27 | |
| Stress immunity | 7 | 18.15 (4.28) | 7 | 28 | |
| Carefree nonplanfulness | 7 | 12.89 (3.12) | 7 | 24 | |
| Total | 56 | 124.04 (14.88) | 84 | 187 | |
| SRP-II | Interpersonal | 16 | 62.57 (15.72) | 20 | 109 |
| Disinhibition/Impulsivity | 9 | 22.38 (9.51) | 9 | 61 | |
| Fearlessness | 5 | 19.82 (6.54) | 5 | 35 | |
| Coldheartedness | 6 | 14.55 (6.37) | 6 | 36 | |
| Total | 36 | 119.31 (28.52) | 45 | 233 |
Note. 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.
*
Item 17: “I find myself in the same kinds of trouble, time after time” is missing from the dataset.