The public expression of opinions (and related communicative activities) hinges upon the perception of opinion consensus. Current explanations for opinion consensus perceptions typically focus on egocentric and other biases, rather than functional cognitions. Using self-categorization theory we showed that opinion consensus perceptions flow from…

The basketball players sit in a corner of the cafeteria. The rockers hang out near the stage. The ditchers and smokers congregate near the school gates. The JV football players and cheerleaders? They're near the field. This is how students at California's Hawthorne High described the typical lunch period at their school. In doing so, they also…