Newcastle Personality Assessor

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The Newcastle Personality Assessor (NPA) is a personality test designed to measure the test-taker's personality on five dimensions: Extroversion, Neuroticism, Conscientious, Agreeableness, and Openness.[1] The 10-questions assessor was developed by Daniel Nettle, a behavioral scientist at the Centre for Behaviour & Evolution, Newcastle University.[2]


  1. ^ Daniel Nettle (2009-03-07). "Personality test: How neurotic or extrovert are you? | Life and style". London: The Guardian. Retrieved 2012-10-05.
  2. ^ "Daniel Nettle's personal web page". Retrieved 2012-10-05.