A new study from Wayne State University, published in the journal Social Psychological and Personality Science, has claimed that there could be some truth in the stereotypical portrayal in movies and books, of men who take an assertive role in their interaction with women as being high on testosterone. Richard Slatcher, one of the researchers said, "Our findings indicate that testosterone is associated with dominance behaviors and success when men compete for the attention of an attractive woman, particularly when men also have a strong conscious desire for social dominance.\"

http://www.medindia.net/news/Testosterone-Leads-to-Social-Dominance-82190-1.htm
http://www.medicalnewstoday.com/articles/218940.php
http://mms.tveyes.com/Transcript.asp?StationID=2785&DateTime=3%2F14%2F2011+6%3A14%3A20+AM&LineNumber=&MediaStationID=2785&playclip=True&RefPage= http://articles.timesofindia.indiatimes.com/2011-03-12/man-woman/28683474_1_testosterone-social-dominance-attractive-woman
http://www.mitechnews.com/articles.asp?id=12871&sec=115
http://www.theoaklandpress.com/articles/2011/03/11/life/doc4d79c3cd1c46e614488263.txt
http://www.digitaljournal.com/article/304590