Relationships Human Reproductive Behaviour - PSYA3
- Created by: Tasleem
- Created on: 15-01-13 12:18
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- Human Reproductive Behaviour
- Parent-offspring conflict
- Oedipus theory: mother-daughter conflict
- Conflict at puberty, including fitness
- Weaning conflict - may be vital for survival
- Evaluation
- Lack of human evidence
- Flinn (1989) mother-daughter conflict
- Conflict may be minimised by parental manipulation
- Consequences of conflict - link to suicide attempts
- Parental investment
- Investment in one offspring as the expense of other offspring
- Maternal investment - female mammals invest more because of internal fertilization
- Males invest relatively little, but are in danger of cuckoldry
- Males invest more in mating than in parenting
- Evaluation
- Males do help out
- Willing fathers
- Sexual jealousy in males; emotional jealousy in females
- Sexual selection
- Selection for characteristics for reproductive success
- Intra-sexual selection
- Inter-sexual selection
- Origins of mate choice
- Buss's !1989) major study of 37 cultures showed clear male and female mate preferences
- Evaluation
- Gender differences in short and long term preferences
- Research focuses on preferences not real-life choices
- Evidence for evolutionary influences on face prefences
- Female preferences and menstrual cycle
- Sperm competition reflects adaptive pressures
- Evolutionary psychology is not the answer to everything (Nicholson, 1999)
- Benefits of short-term mating for females
- Parent-offspring conflict
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