Male aggressiveness as intrasexual contest competition in a cross-cultural sample

Behavioral Ecology and Sociobiology • Vol/Iss. 72(83) • Springer-Verlag GmbH Germany • • Published In • Pages: ??•
By Carter, Tara-Lyn, Kushnick, Geoff

Hypothesis

There is a positive association between male aggression and societies with polygyny and a high variance in the number of wives.

Note

Polygyny posterior mean =0.64, CI =0.11, 1.16; male war mortality posterior mean = 0.46, CI =-0.07, 0.96; wives variance posterior mean = 0.52, CI =-0.13. 1.26).

Test

Test NameSupportSignificanceCoefficientTail
Bayesian IRT analysis and imputationSupportedUNKNOWNUNKNOWNUNKNOWN

Variables

Variable NameVariable Type OCM Term(s)
Geographical RegionControlLocation
Political ComplexityControlTerritorial Hierarchy
PolygynyIndependentPolygamy
Warfare FrequencyControlIngroup Antagonisms, Instigation Of War
Wives Variance IndependentPolygamy
Male War MortalityIndependentMortality, Aftermath Of Combat
Male Aggressiveness DependentNONE