The Number of the Day: 4%

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According to a statistic cited in the book The Psychopath Test: A Journey Through the Madness Industry, approximately 4% of business leaders fit the definition of a psychopath. As a comparison, about 1% of the population at large fit those criteria.

Related Fact: The most common tool used for diagnosing someone as a psychopath is the Psychopathy Checklist-Revised (PCL-R) developed by Robert D. Hare. In the episode of This American Life linked below, the show’s host and staff take their turn completing the questionnaire.

[Sources:This American Life. See previous Numbers of the Day here. ]

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June 3, 2011 - 11:06am
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