Topic 18 Why Parents Love Their Children FOR BLACKBOARD

Topic 18 Why Parents Love Their Children FOR BLACKBOARD -...

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6/14/11 Investment in Children Begin with who helps Mothers, Fathers, Grandmothers, etc. Then Who Gets Helped Sons, Daughters Build on fitness variance ideas
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6/14/11 Making time for babies Good predictor of future success: amount of time spent with parent/guardian Alarms that parents are spending less time with children, compared to “family oriented” 1950s and 60s
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6/14/11 Causes Many delay having children to later in life when they want to spend time with them People who are uninterested in raising children opt out altogether by using birth control Families are smaller, and parents are more affluent . Can invest more time and money in each child , prompting parents to invest more in child-
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Unformatted text preview: rearing Fewer children more pressure to rear perfect child 6/14/11 What drives variation in investment? theory of kin altruism Hamiltons rule = C < rB Decreases in helping with decline in r or B and increases in C 6/14/11 Helping as a Function of Age (Reproductive Potential) 6/14/11 Problem of Parental Uncertainty No mix ups for mom in EEA no paternity tests Overhead in the maternity ward she/he looks like her/his father From evolutionary perspective, riskier bet for dad to invest Please remember naturalistic fallacy! Females invest more than 6/14/11 Who Gets Helped? Trivers-Willard Hypothesis think fitness variance males chances positively related to resources...
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Topic 18 Why Parents Love Their Children FOR BLACKBOARD -...

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