Evolution of human intelligence social compexity group size and intelligence

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Psychology unit 3 intelligence revision
Evolution of human intelligence- social complexity group size and intelligence
Description
There is evidence that brain size and intelligence are positively correlated to
group size in monkeys and apes. This suggests that living in a group either requires
or causes intelligence to evolve. Group living therefore requires individuals to
remember rankings of other individuals, form strategic alliances, remember past
events, predict the likely outcome of events, deceive others, understand the
intentions of others, and communicate using language. These help the species to
become more intelligent as the members of the group who learn to do the above to
survive and reproduce and those who don't die out.
Evaluation
Correlational- isn't clear if group living helps you to acquire the above
factors leading to intelligence or if intelligence allows for those factors
leading to successful group living
Meat sharing in Chimpanzees seems to enable the development of alliances.
This supports the idea that living in groups requires certain abilities such
as forming alliances which can cause intelligence.

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