The dirty dozen: a concise measure of the dark triad.

  title={The dirty dozen: a concise measure of the dark triad.},
  author={Peter Karl Jonason and Gregory D. Webster},
  journal={Psychological assessment},
  volume={22 2},
There has been an exponential increase of interest in the dark side of human nature during the last decade. To better understand this dark side, the authors developed and validated a concise, 12-item measure of the Dark Triad: narcissism, psychopathy, Machiavellianism. In 4 studies involving 1,085 participants, they examined its structural reliability, convergent and discriminant validity (Studies 1, 2, and 4), and test-retest reliability (Study 3). Their measure retained the flexibility needed… 

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