6. What did psychologist Gehre et al. (2007) discover? (AO2)

Men would not discriminate against paying for their biological children and their step-children's collage education
Using the a magazine survey completed by 2700 UK women estimated 14% of children in the UK are the result of extra-marital affairs and cuckoldry
91 childless undergrads reported (no gender differences) they felt ready to become parents but measured their physiological responses males showed significantly increased heart-rate suggesting they're biologically less prepared than females
Males are more jealous of physical adultery where as women are more jealous of emotional adultery and concludes that sexual jealousy has evolved over time as a way of preventing cuckoldry

7. What did the psychologists Baker and Bellis (1990) discover? (AO2)

Using the a magazine survey completed by 2700 UK women estimated 14% of children in the UK are the result of extra-marital affairs and cuckoldry
Men would not discriminate against paying for their biological children and their step-children's collage education
91 childless undergrads reported (no gender differences) they felt ready to become parents but measured their physiological responses males showed significantly increased heart-rate suggesting they're biologically less prepared than females
Males are more jealous of physical adultery where as women are more jealous of emotional adultery and concludes that sexual jealousy has evolved over time as a way of preventing cuckoldry

Investment levels may be due to desire for sexual intimacy with wife and promote own personal reproductive fitness as she would more likely remain and reproduce with him
Parental Investment theory is correct
The theory has it wrong and in real life men don't have a problem with cuckoldry
Parental Investment theory only applies to young children

91 childless undergrads reported (no gender differences) they felt ready to become parents but measured their physiological responses males showed significantly increased heart-rate suggesting they're biologically less prepared than females
Males are more jealous of physical adultery where as women are more jealous of emotional adultery and concludes that sexual jealousy has evolved over time as a way of preventing cuckoldry
Using the a magazine survey completed by 2700 UK women estimated 14% of children in the UK are the result of extra-marital affairs and cuckoldry
Men would not discriminate against paying for their biological children and their step-children's collage education

In order to appear more attractive to males
human infants are born relatively immature compared to other animals so they would not survive if left to their own devices
Gametes are more costly and less numerous than male sperm so can only have a limited amount of offspring
Women are biologically less able to hunt and so raise children instead