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SHORT TERM SEXUAL STRATEGIES Chapter 6. Rewards and Risks to Men Rewards  Triver’s parental investment theory  Short term mating increases number of.

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Presentation on theme: "SHORT TERM SEXUAL STRATEGIES Chapter 6. Rewards and Risks to Men Rewards  Triver’s parental investment theory  Short term mating increases number of."— Presentation transcript:

1 SHORT TERM SEXUAL STRATEGIES Chapter 6

2 Rewards and Risks to Men Rewards  Triver’s parental investment theory  Short term mating increases number of potential offspring Risks  Disease  Reputational damage  Decrease in parental investment  Violent attacks  Retaliatory affairs

3 Adaptive Problems for Men to Solve in Short-term Mating  Partner variety  Motivational mechanism- desire for variety  Relaxed standards  Minimum time constraints  Accessibility  Identifying fertile women  Avoiding commitment

4 Evidence for Evolved Short-term Mating Strategies Physiological Evidence  Testicle size  Variations in sperm insemination

5 Psychological Evidence: Desire for Sexual Variety

6 Psychological Evidence: Time Elapsed Before Seeking Intercourse

7 Psychological Evidence: Lowered Standards  Relaxed standards for many characteristics, including  Kindness  Intelligence  Loyalty  Emotionally stable  Higher standards for experience and promiscuity

8 Psychological Evidence  Minimizing Commitment  The Affective Shift Hypothesis  The Closing Time Phenomenon  Sexual Fantasies  Men report twice the number  More often report variety, greater number, switching partners  Sexual Regret  Omission vs. commission

9 Behavioral Evidence  Extramarital Affairs  Statistics vary, but men more likely than women to have affairs  Prostitution  “They’re not paying you for the sex… they’re paying you to go away afterwards”

10 Women’s Short-term Mating  The biological irony of the double standard is that males could not have been selected for promiscuity is historically females had always denied them opportunity for expression of the trait  Robert Smith (1984)

11 Are Women Naturally Monogamous?  20-50% of women have affairs  Women seek extrapair copulations (ECP’s) more often during fertile phase of cycle  Women more likely to experience orgasm with affair partner than with long-term partner

12 Rewards of Short-term Mating for Women  Resources- financial, protection, access to status  Good genes- “sexy son hypothesis”  Mate switching and expulsion  Short-term for long-term goals  Mate assessment  Testing her own mate value  Mate skill acquisition  Mate manipulation: retaliatory affairs, increase commitment

13 Risks of Short-term Mating for Women  Reputational damage  Greater risk for abuse  Abandonment  Lost opportunities for long-term mating  Loss of resources from long-term mate  Increased sibling competition among half siblings  Disease

14 Empirical Evidence  Limited evidence overall  Mate switching  Women report that affairs make it easier to break up  Women report that affairs help them to find a better mate  Resource accrual  Access to resources is critical factor in women’s assessments of their likelihood of affairs

15 Empirical Evidence Short-term for Long-term Goals  Women prefer short-term mates who are not in a relationship and who are not promiscuous Good Genes  Symmetrical men more likely to have affairs with women in committed relationships  Women place greater value of physical attractiveness and masculinity for short-term mates

16 Empirical Evidence Good Genes  Menstrual phase shifts in preferences for  Symmetry and overall attractiveness  Facial masculinity  Height  Creative intelligence  Muscular build  Social dominance Women who rate regular partners as low on sexual attractiveness have more desire for ECP’s but only during ovulation

17 Context Effects: Individual Differences Based on Sociosexual Inventory, short-term strategists  emphasize sexual gratification with partners, mate skill development, and resources  Place less importance on commitment  Worry less about reputational damage

18 Additional Contextual Factors  Father absence- stepfather presence  Developmental stage in life  Sex ratio  Mate value and self-esteem  Higher mate value men have more opportunities and are more likely to use short-term strategies  Higher mate value in women NOT related to strategy  Low self-esteem in women related to more short-term strategies


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