The wisdom of select crowds.

Social psychologists have long recognized the power of statisticized groups. When individual judgments about some fact (e.g.

Strategies for revising judgment: how (and how well) people use others' opinions.

A basic issue in social influence is how best to change one's judgment in response to learning the opinions of others. This article examines the strategies that people use to revise their quantitative estimates on the basis of the estimates of another person. The authors note that people tend to use 2 basic strategies when revising estimates: choosing between the 2 estimates and averaging them.

Overconfidence in interval estimates.

Judges were asked to make numerical estimates (e.g., "In what year was the first flight of a hot air balloon?").