Manipulative? Grandiose? Cold-hearted? The Dark Triad captures three socially aversive personality traits - Machiavellianism, Narcissism, and Psychopathy - in just 12 questions. Based on the Dirty Dozen scale (Jonason & Webster, 2010). Takes about 3 minutes.

What Is the Dark Triad (Dirty Dozen)?

The Dark Triad bundles three socially unpleasant personality traits: Machiavellianism (strategic manipulation), Narcissism (inflated self-importance), and Psychopathy (callousness and impulsivity). They overlap but are distinct enough to measure separately.

The Dirty Dozen (Jonason & Webster, 2010) gets you all three with just 12 items — 4 per trait. It takes about 3 minutes.

What It Measures

<tbody> </tbody>
TraitCore Idea4 Items Cover
MachiavellianismStrategic, calculating, willing to manipulateCynicism, exploitation, flattery, self-interest
NarcissismGrandiose sense of self-importanceVanity, superiority, entitlement, exhibitionism
PsychopathyLack of empathy, impulsivity, callousnessRemorselessness, cruelty, insensitivity, rebelliousness

How Scoring Works

Rate each item from 1 (strongly disagree) to 7 (strongly agree). Each trait score is the sum of its 4 items. There are no clinical cutoffs — this is a research tool, not a diagnosis.

Reliability

  • Internal consistency: alpha = .83-.87 per trait
  • Test-retest: .87 at 3 weeks
  • Correlates well with longer measures like the full Dark Triad measures
> This is a research instrument, not a clinical diagnostic tool. High scores don't mean you have a disorder.

Scoring Guide

12 items, 7-point Likert (1=Strongly disagree, 7=Strongly agree). No reverse-scored items. Three subscales (mean of 4 items each): Machiavellianism (Q1-Q4), Narcissism (Q5-Q8), Psychopathy (Q9-Q12). Total score range: 12-84.

Result Interpretation

After completing the 12 questions, you'll receive an immediate, detailed report with:

  • Your score — calculated automatically based on your responses
  • Score interpretation — what your score means in practical terms
  • Context — how your results compare to general population norms where available

All results are displayed on screen. No account or login needed.

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