Sex Differences in Parental Investment

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

  • Bellis et al.
  • Anderson (2007)
  • Anderson (1999)
  • Werner and Lotem
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2. Which study found that male orb-weaving spiders are more likely to choose large females during periods of high competition?

  • Bellis et al.
  • Buss et al.
  • Bel-venner et al.
  • Werner and Lotem

3. What did Anderson (1999) find?

  • Men don't discriminate in the way they treat their own biological children and their partner's children from a previous relationship
  • Men are more negatively affected by sexual infidelity as shown by physiological tests and self-reports
  • Men who are unsure of their parental uncertainty will spend less time with these offspring?
  • Male cichild fish prefer largest females as they can produce more eggs

4. Which study found that men who are unsure of their parental uncertainty will spend less time with these children?

  • Anderson (2007)
  • Anderson (1999)
  • Bellis et al.

5. What did Werner and Lotem find?

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

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