A psychologist in Toronto at York University – Raymond A. Mar, M.A. – has posited that readers of fiction are more empathic than readers of non-fiction.
Mar, R. A., Oatley, K., Hirsch, J., dela Paz, J., & Peterson, J. B. (2006). Bookworms versus nerds: The social abilities of fiction and non-fiction readers. Journal of Research in Personality, 40, 694-712.