Sex Differences in Parental Investment

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1. Which study found that male orb-weaving spiders are more likely to choose large females during periods of high competition?

  • Bel-venner et al.
  • Werner and Lotem
  • Bellis et al.
  • Buss et al.
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Other questions in this quiz

2. Which international meta-analysis carried out over 50 years found the frequency of cuckcoldry was 1 out of 25 families ?

  • Bellis et al.
  • Werner and Lotem
  • Anderson (2007)
  • Anderson (1999)

3. Which study found that men were more negatively affected by sexual infidelity and women were more affected by emotional infidelity as shown by physiological tests and self reports?

  • Anderson (1999)
  • Buss et al.
  • Willerman
  • Anderson (2007)

4. What did Werner and Lotem find?

  • Men who don't have full parental uncertainty will spend less time with offpsring
  • Male Cichild fish will choose the largest female as they are more likely to produce the largest eggs
  • Male Orb-weaving spiders are more likely to choose larger females when competition is high
  • Men don't discriminate in the way they treat their biological children and step children

5. Problem with this theory being based on evolution

  • Cause and effect of evolution and sex differences in parental investments cannot be found
  • Its based on hunter-gatherer times and can be applied to this modern world as 2 species of apes closely related to humans show little or no parental investment wheras modern day fathers are much more involved in bringing up their children
  • Its deterministic to suggest this theory

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