Media, Gender and Identity - a book by David Gauntlett

http://theoryhead.com/gender/extract.htm
have a read if you are investigating gender in print/tv

Tom Gormley - effects of tv violence

http://www.theory.org.uk/effec-tg.htm
please comment

Barry Gunter's studies on effects of TV violence on children

http://www.aber.ac.uk/media/Modules/TF33120/tv-violence_and_kids.html

please visit

Daily Mail articles for popular criticism

These are good for the effects of violence on children.
Visit www.dailymail.co.uk and use the search tools.