Capturing the Four-Factor Structure of Psychopathy in College Students Via Self-Report

Figures & data

FIGURE 1 Scree plot from the principal components analysis and parallel analysis conducted on experimental Self-Report Psychopathy Scale items in Study 1.

TABLE 1 Top Factor Loadings from Exploratory Factor Analysis in Study 1

	IPM	CT	ELS	CA
Interpersonal Manipulation (IPM)
I find it easy to manipulate people.	.67	.04	.06	.08
People can usually tell if I'm lying. (R)	.62	−.03	−.04	.03
I don't think of myself as tricky or sly. (R)	.57	.18	−.03	.14
Conning people gives me the “shakes”. (R)	.56	−.11	−.05	.19
I get a “kick” out of conning someone.	.56	.05	.18	.06
Criminal Tendencies (CT)
I have stolen a motor vehicle.	−.07	.93	−.05	−.04
I've been involved in delinquent gang activity.	.00	.87	.09	.11
I have been arrested.	−.08	.81	.03	.01
I have broken into a building or vehicle to steal or vandalize.	.06	.76	.02	−.08
Some of my friends have gone to jail.	.08	.71	.11	.03
Erratic Lifestyle (ELS)
Rules are made to be broken.	.16	.10	.62	−.03
I have often done something dangerous just for the thrill of it.	.26	.14	.59	−.18
I enjoy drinking and doing wild things.	.16	.00	.57	−.07
I have broken an appointment when something better came along.	.29	.07	.53	.26
I have avoided paying for things, such as movies, rides, and food.	−.02	.04	.52	.28
Callous Affect (CA)
I am often rude to other people.	.01	.07	.21	.64
My friends would probably say I am a kind person. (R)	.10	.13	−.12	.64
I'm not afraid to step on others to get what I want.	.11	−.09	.10	.59
I'm the most important person in the world: No-one else matters.	.01	.01	.05	.44
Not hurting others' feelings is important to me. (R)	.27	.15	−.05	.43
Note: N = 249. The method was principal components followed by oblimin rotation. Reversals are marked with (R). Underlined entries are the highest loading items.

TABLE 2 Intercorrelations Among the Four Factor Scores in Study 1

Factor	CA	IPM	ELS	CT
CA	—	.26	.20	.33
IPM		—	.28	.26
ELS			—	.22
CT				—
Note: N = 249. All correlations significant at p < .01. CA = Callous Affect, IPM = Interpersonal Manipulation; ELS = Erratic Lifestyle; CT = Criminal Tendencies.

FIGURE 2 Path diagram for confirmatory factor analysis in Study 2. ASB = Antisocial Behavior; ELS = Erratic Lifestyle; IPM = Interpersonal Manipulation, CA = Callous Affect.

TABLE 3 Correlations of the Subscales with other Personality Variables in Study 2

					SRP-E
Personality Variable	CT	ELS	IPM	CA	Total score
Eysenck's P scale (.79)	.37	.37	.40	.67	.63
Pyschopathic Personality	.11	.45	.30	.12	.60^a
Inventory (.73)
Levenson SRP (.85)	.30	.38	.54	.40	.53
Dark Triad
Narcissistic Personality	.13	.47	.43	.28	.46
Inventory (.87)
Machiavellianism (Mach–IV)	.21	.38	.58	.51	.48
(.81)
Big Five
Extraversion (.87)	−.02	.23	.04	−.12	.05
Agreeableness (.78)	−.22	−.14	−.36	−.62	−.46
Conscientiousness (.80)	−.19	−.26	−.11	−.10	−.23
Neuroticism (.83)	.01	−.09	−.12	.05	−.05
Openness to Experience (.79)	.00	.12	.12	−.11	.05
Note: N = 274. Correlations of at least .12 are significant at p < .05, and correlations of at least .16 are significant at p < .01 (both two-tailed). Values in parentheses signify alpha coefficients. Factor labels: CT = Criminal Tendencies; ELS = Erratic Lifestyle; IPM = Interpersonal Manipulation; CA = Callous Affect; SRP–E = Self-Report Psychopathy Scale (SRP), experimental version; P scale = Psychoticism scale.
^aThis value was adjusted to account for the fact that we used a shortened version of the Psychopathic Personality Inventory.

TABLE 4 Correlations of the Subscales with Self-reported Activities in Study 2

					Total
Subscale	CT	ELS	IPM	CA	SRP-E
Entertainment Preferences
Antisocial	.09	.44	.36	.12	.35
Prosocial	−.04	−.01	−.12	−.16	−.11
Type of Misconduct
Bullying	.15	.23	.31	.39	.37
Drug Abuse	.18	.34	.13	.06	.24
Driving Misconduct	.06	.36	.30	.07	.27
Crime	.27	.34	.16	.01	.27
Anti-Authority	.12	.31	.24	.19	.29
Overall Misconduct	.26	.52	.36	.23	.47
Note: N = 274. Correlations greater than .11 are significant at p < .05; and correlations greater than .15 are significant at p < .01 (two-tailed). Factor labels: CT = Criminal Tendencies; ELS = Erratic Lifestyle; IPM = Interpersonal Manipulation; CA = Callous Affect; SRP–E = Self-Report; Psychopathy Scale, experimental version.