#21: Cheerleader effect

Bias number 21 is known as the cheerleader effect. This is a cognitive bias that affects the way people perceive individuals when they are alone versus in a group.

How does the group association affect the perception of an individual? According to studies, people are rated more attractive in a group than they are as an individual when their photos are shown to test subjects. This bias occurs consistently in single-sex and mixed groups of different sizes.

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