Newcastle Personality Assessor (NPA)
The Newcastle Personality Assessor (NPA) is a very brief (12-item), freely-available questionnaire for assessing the five-factor personality domains of openness, conscientiousness, extraversion, agreeableness, and neuroticism, using a five-point Likert response format. It was originally published in a book by Daniel Nettle (Nettle 2007).
The Newcastle Personality Assessor is one of a number of similar very brief assessment tools for the five-factor model of personality (Gosling et al. 2003; Rammstedt and John 2007). These have been shown to capture much of the variation at the broad trait-level captured by longer questionnaires, using only a couple of items per trait, thus vastly reducing demand on participants. It follows from standard psychometric principles that construction of a useful but very brief inventory ought to be possible. In longer questionnaires, all of the questions measuring a particular trait are required to produce responses that are well...
- Goldberg, L. R., Johnson, J. A., Eber, H. W., Hogan, R., Ashton, M. C., Cloninger, C. R., & Gough, H. G. (2006). The international personality item pool and the future of public-domain personality measures. Journal of Research in Personality, 40(1), 84–96. doi:10.1016/j.jrp.2005.08.007.CrossRefGoogle Scholar
- Nettle, D. (2007). Personality: What makes you the way you are. Oxford: Oxford University Press.Google Scholar