One prominent finding in research on group judgment is that groups often outperform the average of their members’ individual judgments. Previous research attributed this finding to groups weighting their more competent members more strongly (differential weighting explanation). We postulate an...

Six experiments investigated how the distance between one's initial opinion and advice relates to advice utilization. Going beyond previous research, we relate advice distance to both relative adjustments and absolute adjustments towards the advice, and we also investigate a second mode of...

A prominent finding in escalating commitment and entrapment research is the "responsibility effect": people invest more in a losing course of action or persist with it for longer if they themselves initiated this action (responsibility) as opposed to if it was assigned to them. We argue that...