9 Biases in Category

We imagine things and people we're familiar with or fond of as better

Deep Dive

All Biases

Out-Group Homogeneity Bias
We perceive members of other groups as more similar to each other than members of our own group.
Cross-Race Effect
We have difficulty recognizing faces of people from races other than our own.
In-Group Bias
We favor members of our own group over those in other groups.
Halo Effect
We let one positive trait influence our overall impression of a person or thing.
Cheerleader Effect
We perceive individuals as more attractive when they are in a group than when alone.
Positivity Effect
Older adults tend to favor positive over negative information in their memories and attention.
Not Invented Here
We avoid using or buying products, ideas, or knowledge from external sources.
Reactive Devaluation
We devalue proposals or ideas simply because they originate from an adversary or perceived opponent.
Well-Traveled Road Effect
We underestimate the time taken to travel frequently used routes and overestimate time for unfamiliar routes.