How egocentrism and optimism change in response to feedback in repeated competitions

People tend to egocentrically focus on how adverse or beneficial conditions in competitions affect the self, while inadequately considering the comparable impact on opponents. This leads to overoptimism for a victory in easy tasks and underoptimism in hard tasks. Four experiments investigated whether experience and performance feedback in a multi-round competition would influence egocentric weighting and optimism biases across rounds. The...