*Ritter, Ryan S., Preston, J. L. et al. (June 18, 2013). [http://spp.sagepub.com/content/early/2013/06/18/1948550613492345.full.pdf+html "Happy tweets: Christians are happier, more socially connected, and less analytical than atheists on Twitter" [abstract]]. ''Social Psychological and Personality Science'', 1948550613492345. Abstract: Sage Journals Subscription required for full article.</ref> | *Ritter, Ryan S., Preston, J. L. et al. (June 18, 2013). [http://spp.sagepub.com/content/early/2013/06/18/1948550613492345.full.pdf+html "Happy tweets: Christians are happier, more socially connected, and less analytical than atheists on Twitter" [abstract]]. ''Social Psychological and Personality Science'', 1948550613492345. Abstract: Sage Journals Subscription required for full article.</ref> |