Female Dominance over Males in Primates: Self-Organisation and Sexual Dimorphism Emergent Female Dominance
2008

Female Dominance over Males in Primates

Sample size: 22 publication Evidence: high

Author Information

Author(s): Charlotte K. Hemelrijk, Jan Wantia, Karin Isler

Primary Institution: University of Groningen

Hypothesis

Does female dominance over males depend on group composition or sexual dimorphism?

Conclusion

Female dominance over males in primates is influenced more by group composition than by sexual dimorphism.

Supporting Evidence

  • Female dominance increases with the percentage of males in the group.
  • The correlation between female dominance and male percentage is stronger in despotic species than in egalitarian ones.
  • Sexual dimorphism does not significantly correlate with female dominance across the studied species.

Takeaway

In groups with more males, females tend to be more dominant, but this isn't because of size differences between the sexes.

Methodology

The study used a correlative approach comparing female dominance across 22 primate species and employed the method of independent contrasts.

Potential Biases

Potential biases from the selection of species and the context of the studies included.

Limitations

The study's findings may not apply to all primate species, especially those with extreme dominance hierarchies.

Participant Demographics

The study analyzed data from 22 different primate species.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0002678

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