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Evolutionary explanations: Group displays in humans

People in groups may act differently compared to how they act individually. Some behaviour only
occurs when like-minded people come together for a purpose. Adaptive purposes- whether joining
the group benefits the individual.

2 group displays:

Lynch mobs
Religious/cultural displays


Lynch mobs-a group…

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Religious/cultural displays- For example, Shia Muslims self-flagellation (whipping themselves) or
Christians' crucifix rituals. These are all self-directed aggressive acts.

The reasons for this could be the co-operative gains or to deter free riders.

1. Co-operative gains

There are adaptive gains to living in a group and sharing resources. It is…


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