Sexual Selection And Reproductive Human Behaviour

• Sexual Selection

  Results: 14 out of the 44 thieves were affectionless psychopaths and 17 out of the 44 had maternal separation. Of the 14 that were affectionless, 12 also had experienced prolonged separation (deprivation) in the first two years of life. In the control group 2 out of the 44 had maternal separation but 0 out of the 44 were categorised as affectionless psychopaths.
• ANISOGAMY

  •Anisogamy is important in partner preference because it gives two different mating strategies, which in turn relate to two different types of sexual selection: Inter-sexual selection, Intra-sexual selection
• Intra-sexual selection

  The strategies between males to be the one that is selected
• Inter-sexual selection

  The strategies that males use to select women, and women use to select men
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• Clarke and Hatfield (1989)


  •Male and female psychology students were sent out across a university campus. They approached other students individually with this question:•‘I have been noticing you around campus. I find you very attractive. Would you go to bed with me tonight?’•Not a single female student agreed to the request, whereas 75% of men did, immediately.
• Buss


  •He carried out a survey of over 10, 000 adults in 33 countries. He asked questions relating to age and a variety of attributes that evolutionary theory predicts should be important in partner preference. He found that females placed greater value on resource-related characteristics, such as good financial prospects, ambition and industriousness than males did. Males valued reproductive capacity in terms of good looks and chastity, and preferred younger mates more than females did.