http://machineslikeus.com/news/atheists-...-chill-out
EXCERPT: [...] We examined the prevalence and accuracy of an angry-atheist stereotype in seven studies. We found that people believe atheists are angrier than believers, people in general, and another minority group, both explicitly and implicitly. However, none of our studies supported the idea that atheists are angrier than other individuals. Our work, in sum, suggests that the angry-atheist stereotype exists, but that it does not match reality. Dissemination of the present results may be useful in correcting misperceptions while averting potential unwarranted and harmful consequences....
EXCERPT: [...] We examined the prevalence and accuracy of an angry-atheist stereotype in seven studies. We found that people believe atheists are angrier than believers, people in general, and another minority group, both explicitly and implicitly. However, none of our studies supported the idea that atheists are angrier than other individuals. Our work, in sum, suggests that the angry-atheist stereotype exists, but that it does not match reality. Dissemination of the present results may be useful in correcting misperceptions while averting potential unwarranted and harmful consequences....