Dark Triad Scale
Dark Triad Personality Scale (DTPS) · Also known as: DTPS, Dirty Dozen, Short Dark Triad, SD3
The Dark Triad Personality Scale measures three socially aversive personality traits: narcissism (entitlement and exploitativeness), Machiavellianism (manipulativeness and strategic lying), and psychopathy (callousness and thrill-seeking). Developed by Delroy Paulhus and Kevin Williams in 2002, and later operationalized in brief forms like the Short Dark Triad (SD3) by Jones and Paulhus in 2014, the Dark Triad construct has become standard in personality psychology for assessing antagonistic, self-centered, and deceitful traits. The scale enables research on personality pathology, workplace toxicity, and evolutionary psychology.
Read the full method
Sign in with a free account to read this section.
Method map
The neighbourhood of related methods — select a node to explore.
When to use it
The Dark Triad scale is appropriate for research examining personality pathology, occupational misbehavior, relationship quality, and evolutionary psychology. It is valuable in organizational assessment, clinical formulation, and studies of unethical behavior and exploitation. It is less suitable as a clinical diagnostic tool; clinical diagnosis of personality disorder requires comprehensive evaluation by trained professionals. The scale is useful for research but should not be misused for employment screening without careful consideration of legal and ethical issues.
Strengths & limitations
- Efficient operationalization of three related but distinct personality pathology dimensions
- Short Dark Triad (SD3) provides acceptable reliability and validity in brief 27-item format
- Robust internal consistency (Cronbach's alpha 0.70–0.80 per dimension) across diverse samples
- Validated across cultures and languages; available in 20+ languages
- Predictive validity for unethical behavior, exploitation, and interpersonal harm
- Self-report bias: respondents may underreport socially undesirable traits, though Dark Triad scorers sometimes openly endorse them
- Moderate intercorrelations among dimensions (r = 0.40–0.55) suggest some shared variance but distinct constructs
- Does not diagnose clinical personality disorders; high scores indicate traits, not disorder
Frequently asked
Are the Dark Triad traits the same as personality disorders?
No. Dark Triad traits are continuous personality characteristics found in general population. Personality disorders (Narcissistic, Antisocial) are categorical clinical diagnoses requiring pervasive dysfunction and distress. High Dark Triad scores increase risk for personality disorder diagnosis but do not constitute diagnosis. Clinical evaluation requires comprehensive assessment.
What is the relationship between psychopathy measured by the Dark Triad and clinical psychopathy?
The Dark Triad psychopathy dimension measures subclinical psychopathic traits (impulsivity, callousness) found in general population. Clinical psychopathy is a more severe condition associated with criminal behavior and moral disengagement. The SD3 measures traits; clinical assessment requires interview-based instruments like the PCL-R.
Can Dark Triad traits change or be treated?
Dark Triad traits show moderate stability over time. While clinical interventions target overt personality disorder symptoms, evidence for changing underlying trait levels is limited. People with high Dark Triad traits may modify behavior through external constraints (legal consequences, relationship loss) but core trait change is rare.
Are Dark Triad traits always harmful?
In extreme, they predict exploitation and harm. Moderate levels may enable assertiveness, confidence, and strategic thinking—sometimes adaptive in competitive contexts (business, law). However, evidence suggests that even moderate elevations correlate with unethical behavior and reduced empathy. Context and values matter.
Should I use the Dark Triad scale for hiring decisions?
Carefully, with legal and ethical oversight. Some organizations use personality assessment for identifying risk, but use of Dark Triad scores in hiring raises discrimination and fairness concerns. Consult legal counsel and consider alternatives like behavior-based interviews and structured reference checks.
Sources
- Paulhus, D. L., & Williams, K. M. (2002). The Dark Triad of personality: Narcissism, Machiavellianism, and psychopathy. Journal of Research in Personality, 36(6), 556–563. DOI: 10.1016/S0092-6566(02)00505-6 ↗
- Jones, D. N., & Paulhus, D. L. (2014). Introducing the Short Dark Triad (SD3): A brief measure of dark personality traits. PLOS ONE, 9(8), e106350. DOI: 10.1177/1073191113514105 ↗
- Jonason, P. K., Li, N. P., Webster, G. D., & Schmitt, D. P. (2009). The Dark Triad: Facilitating a short-term mating strategy in humans. European Journal of Personality, 23(1), 5–25. DOI: 10.1002/per.698 ↗
How to cite this page
ScholarGate. (2026, June 3). Dark Triad Personality Scale (DTPS). ScholarGate. https://scholargate.app/en/social-psychology/dark-triad-scale
Which method?
Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
- Big Five InventorySocial Psychology↔ compare
- NEO Personality Inventory — RevisedSocial Psychology↔ compare
- Rosenberg Self-Esteem ScaleSocial Psychology↔ compare