Correlation not Causation: The Relationship between Personality Traits and Political Ideologies
American Journal of Political Science (2012) - Comments
doi: 10.1111/j.1540-5907.2011.00568.x  issn: 0092-5853  pubmed: 22400142  issn: 1540-5907 

Brad Verhulst, Lindon J. Eaves, Peter K. Hatemi