PSYCH 3GG3 Study Guide - Final Guide: Parenting Styles, Child Murder, Robert Trivers
8 Jan 2017
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An investment by a parent in an individual offspring that increases that offspring"s chance of surviving and reproducing at the cost of the parent"s ability to invest in other offspring. Had an evolutionary and functional approach to parental investment. The increase in inclusive fitness that is made possible by the tremendous parental investment seen in human families. The probability that a gene picked at random from one genome would be the same allele at that location in the other genome, by virtue of common descent. What a parent gives to one child, she can"t give to another this includes investment in future pregnancies. Psychological processes are designed to optimise these decisions. All of the people who contribute to the upbringing of a child other than the child"s parents. Natural selection has shaped a cooperative breeding system among humans in which mothers are not alone in rearing children, but shared responsibilities with close female kin and even close female friends.
