Differences in Parental Investment Contribute to Important Differences Between Men and Women

  title={Differences in Parental Investment Contribute to Important Differences Between Men and Women},
  author={David F. Bjorklund and Todd K. Shackelford},
  journal={Current Directions in Psychological Science},
  pages={86 - 89}
Parental investment theory addresses sex differences that result from the trade-off between parenting effort and mating effort. For example, relative to men, women spend more time caring for offspring, are more selective in assenting to sexual intercourse, are more upset by a partner's emotional infidelity than by a partner's sexual infidelity, and are better able to inhibit their behaviors in certain situations. These and other sex differences are attributable to evolved mechanisms that work… 

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