A report released Monday by University of Tennessee at Chattanooga researchers is one of the first comprehensive studies into the types of individuals who are categorized as non-believers of any particular religious faith. The project, conducted by doctoral student Christopher F. Silver and project manager Thomas J. Coleman III, found that atheists as a group are as varied among themselves as people of faith can be different from each other.
MORE: http://www.rawstory.com/rs/2013/07/02/atheism-study-authors-congratulations-non-believers-youre-just-like-everybody-else/
See also...
Studying Non-Belief
http://www.atheismresearch.com/
You Aren't Religious, But Who Are You?
http://www.centerforinquiry.net/blogs/entry/you_arent_religious_but_who_are_you/