Oddly Wired
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social psychology

You think others are more similar than they are.

Individuals consistently perceive members of their own group as highly diverse, while viewing outsiders as a uniform, homogenous group.

Outgroup homogeneity stems from the limited access we have to the personal lives of people outside our social circle. We have extensive data on our friends' complexities, but only categorical data on those we consider 'others'.

Your empathy is limited by your access to data.

Where this comes from

Study
Quattrone and Jones, 1980
What the check found
The phenomenon and the 1980 Quattrone and Jones source are correctly identified, though the explanation is a simplified summary of the underlying psychological mechanism.
Confidence
Solid, with limits

Related

One of these every day, and every one names the study it came from. When a finding is contested, it says so.