Click the play button below to listen to key figures in the world of sexuality. Each interview provides perspectives from people who have acquired either comprehensive or uniquely specialized knowledge about sexual behavior.

Dr. Todd Shackelford

Dr. Todd K. Shackelford (1971-) is a professor at Oakland University where he heads the Evolutionary Psychology Laboratory.  He is best known for his work on psychology of close relationships, competition in sexuality, jealousy and infidelity. Dr. Shackelford’s work is characterized by innovative experiments that have supported evolutionary explanations of human intimacy. His inventive work on sperm competition and human mating behavior has led to many important insights into human rreproduction. He is an editor in chief of two academic journals: Evolutionary Psychology and Evolutionary Psychological Science, and many publications, including The Evolution of Violence, The Evolution of Sexuality and The Evolution of Morality.

Discussion Questions:

1. What are some findings of Dr. Shackelford suggesting sperm competition in humans?
2. What do data on in-relationship aggression show?
3. What is the purpose of oral sex?