Chapter 17 human mate choice and parenting
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Chapter 17: Human Mate Choice and Parenting. Mate Choice (already covered) Child Abuse and Infanticide Focus of lecture materials Child spacing !Kung demands of motherhood. Kin-Selection and Child Abuse/Infanticide. Kin-Selection: is this child mine?

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Chapter 17: Human Mate Choice and Parenting

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Chapter 17 human mate choice and parenting

Chapter 17: Human Mate Choice and Parenting

  • Mate Choice (already covered)

  • Child Abuse and Infanticide

    • Focus of lecture materials

  • Child spacing

    • !Kung demands of motherhood


Kin selection and child abuse infanticide

Kin-Selection and Child Abuse/Infanticide

  • Kin-Selection: is this child mine?

  • For women, (apart from adoption) a child is always related to her by .5

  • For men, a child is also related by .5 if he has high paternal certainty

  • Prediction: biological parents are more likely to feel more motivation to care for their children that will stepparents or other substitute caregivers.

  • Figures in Homicide pgs 86 & 87

  • Ibid pgs 90, 91 &92


Who does the killing

Who does the killing?

  • Webster’s unabridged dictionary defines “stepmother” as:

  • The wife of one’s father by a subsequent marriage.

  • One that fails to give proper care or attention.

  • Sex differences in infanticide and age of child

  • Ibid 81


Chapter 17 human mate choice and parenting

  • Evolutionary theory predicts that among biological parents, infanticide is more likely to be committed by young unmarried women when the baby is in the first year of life.

  • Children sleeping in parents bed

  • Postpartum depression


Kinship and adoption in oceania

Kinship and Adoption in Oceania


Child spacing

Child Spacing

  • Optimizing logic

    • Lack’s optimal clutch size

  • !Kung Mothers space their children according to their work loads


Kung mother s work load

!Kung Mother’s work load


Work load by ibi child spacing

Work Load by IBI (child spacing)

Optimal IBI is 4 years and the average actual IBI is 4 years


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