What is the in-group, out-group bias? Why do we prioritize people who belong to our in-group? In-group, out-group bias is the tendency to favor and give preferential treatment to members of the same group. By categorizing yourself as a member of a group, you make that membership part of your identity and thus focus on its positive traits. Here’s why people tend to prioritize their in-group, according to Rolf Dobelli, the author of The Art of Thinking Clearly.
The Psychology of In-Group, Out-Group Bias










