Out-group homogeneity bias

The Placebo Effect

When we believe that a (originally ineffective) treatment will work, it usually produces a small physiological effect

Authority Bias

We trust the opinions of authority figures and are often influenced by them

Out-group homogeneity bias

People think that outsiders are the same, while people in their own circle are different

Stereotype

It is a general belief that members of a group must have certain characteristics in common, although there is no specific personal information.

Zero Risk Bias

People will pursue small risks to zero, but will not reduce the probability of large risks in some way.