Conservatism and Cognitive Ability are Negatively Correlated

http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6W4M-4VHS7P7-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=b2f3ecbcd1b9831e76b60aa535c9cc9e