Why Independent Cultures Think Alike When It Comes to Categories: It's Not in the Brain

Why Independent Cultures Think Alike When It Comes to Categories: It's Not in the Brain

In an experiment in which people were asked to categorize unfamiliar shapes, individuals and small groups created many different unique categorization systems while large groups created systems that were nearly identical to one another. Damon Centola, Professor of Communication, Sociology, and Engineering at the University of Pennsylvania, explains his new study on how categorization happens at the population level.