A02 parental investment Flashcards
what are the 2 sub titles
The consequences of greater investment by females
Commentary on paternal investment
What are the 2 sections on the consequences of greater investment by females
Extra marital affairs
Benefits and risks of cuckoldry
Talk about extra marital affairs in terms of consequences of greater female investment
Greater investment may lead to search for good genes through extra marital affairs with studs
Talk about the benefits and risks of cuckoldry
Risks: a cuckold ing male partner carries risks such as abandonment and violence
Benefits: gains extra social support
What are the 3 sections for commentary on paternal investment
Males DO invest
Parental certainty is not always an issue for human males
Evidence for sex differences in jealousy
Who tested males do invest
Reid
What did reid do and find
Human males do contribute to parenting by providing resources,
Conclusion for males do invest
investment allows the family to live in healthier environments decreasing child mortality.
Who tested parental certainty is not always an issue for human males
Anderson
What did Anderson do and find
Measured the resources invested by father and stepfather’s
None appeared to discriminate be it against their step children or their biological children
Conclusion for parental certainty not important
Investment by fathers doesn’t change whether the child is theirs or not biologically
Who tested evidence for sex differences in jealousy
Buss et al
Harris
What did buss et al do and find
Male us students more concerned about sexual infidelity. Females us students more concerned about a motion al infidelity
Which supports view that there’s sex differences in jealousy
What did Harris do and find
Opposed buss et al
Cz he found that males tended to be aroused when viewing sexual in Gary which challenges the view that sexual differences in he aloud are an adaptive reps one in males and females