Everybody Will Win, and All Must Be Hired: Comparing Additivity Neglect with the Nonselective Superiority Bias

Two streams of research looking at referent-dependent judgments from slightly different angles are subadditivity research and research on the nonselective superiority bias. Both biases violate basic formal constraints: the probabilities of a set of exclusive events cannot add up to more than 100%, and a set of attractive candidates cannot all be rated as superior to the group mean. We examine in three experiments how these two biases are...