adaptive functions of aggression
- gain resources from others
- gain status or dominance
- eliminating rivals for females
-deter infidelity
sexual competition
- men are more aggressive because they faced the most competition fot mates in the past
one way to eliminate competiton would have been through aggression - those who won would be more successful in acquring mates
warfare
warfare behaviour might have evolved because of adaptie benfits
displays of agg are attractive to female - research has found tat warriers in trad societies tend to have more sexual partners
- agg in combat can increase status for warriors leading to peers respecting them more and strengthening bonds with other males in the group
sexual jealousy
- greater in males as they wanna protect their women from commiting infedility - ensures that the male does not waste his resoruces
male retention (sj)
direct guarding = monitoring their partners behaviour
negative inducements = threats to deter their partner from cheating
strengths
research support - sexual jealousy
shackleford
ppts- 107 married couples for less than a year given questionnaires
men- male retemntion behaviur
women - partner violence in relationship
findings : positive correlation men who used mate retention strategies were more physically violent
link between aggression and status
research has found that many tribal societies give higher status to thpse who commited murder
explains gender differences
limitations
methofological issues
- correlational = doesnt mean cause and effect
