Praise for the first edition:"...manages to integrate theory, research, and illustration very nicely...all in all an excellent piece of work." - Michael Hogg, University of Queensland"...extremely contemporary in its coverage and yet it introduces the classic works as well. The balance here is perfect..." - Samuel Gaertner, University of Delaware* What are the origins of individals' identification with groups?* What are the causes and consequences of the distinction between different groups?*...