Killing Your Sacred Cows since 1992

Here are some of the studies referenced and related links if you want to look at it yourself:

1. Bushman, Baumeister & Stack, 1999

http://books.google.com/books?id=Ab02eJm-FTUC&pg=PA197&lpg=PA197&dq=anger+catharsis+bushman+baumeister&source=bl&ots=SVcvLyp-sU&sig=BKVhlz7vrHYqq70u7q04ukNszm4&hl=en&ei=TQDzS3SFoJQHzqeZog0&sa=X&oi=book_result&ct=result&resnum=3&ved=0CBoQ6AEwAg#v=onepage&q=anger%20catharsis%20bushman%20baumeister&f=false

2. Lewis & Bucher, 1992

http://www.dialectictherapy.com/2010/02/27/myths-about-anger/

3. Littrell, 1998 (also refers to the value of anger paired with problem-solving)

http://www.psychotherapybrownbag.com/psychotherapy_brown_bag_a/2009/03/common-factors-of-therapy-part-1.html

4. Tavris 1988

http://books.google.com/books?id=9NMsTpe1bAUC&pg=PA132&lpg=PA132&dq=tavris+anger+catharsis&source=bl&ots=PqzMZqqeN2&sig=AzUfnQJEtdCGUBDzCJ7YmxuuxfE&hl=en&ei=dQHzS8jaIYWyMMn5kY8O&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBIQ6AEwAA#v=onepage&q=tavris%20anger%20catharsis&f=false