Evolutionagy Explanations - Group Displays Flashcards
What is the theory behind promoting cooperation between group members? GOOGKE MORE DETAIL DONT UNDERSTAND
We cooperate with others because it means we are more likely to surviving as we have protection, help with gathering good ect. It increases our inclusive fitness.
What study is relevant to group displays of aggression?
Sosis et al
How does promoting cooperation between group members lead to aggression?
It is important there are no free loaders in the group, so groups may have a group display to prove their commitment to the group. The more gruelling the display the greater the commitment.
What is an example of promoting cooperation between group members?
Shia Muslim ritual of self-flagellation
What happens at the Shia Muslim ritual?
Some men symbolically recreate suffering of Hussein by flagellating themselves with chains and whips
Why are there group displays of aggression towards others not in the group?
As they may pose a threat for resources, by acting aggressively they are less likely to attack
What is an example of intimidating people who are not part of the group?
The haka
What were Sosis et al’s findings?
There was a correlation between external warfare and permanent badges of group membership
What does Sosis et al’s findings support?
The hypothesis that costly male ritualistic displays have evolved to signal commitment and promote solidarity among males who must cooperate in warfare
What are the explanations of group displays of aggression?
To promote cooperation between between group members
To intimidate people who are not part of the group
