A vast literature shows that individuals frequently violate normative principles in reasoning. In this paper, we report the results of four studies designed to determine if information dissemination in competitive auctions can reduce, or even eliminate, logical errors in the Wason selection...

When researchers from different fields with different norms collaborate, the question arises of how name-ordering conventions are chosen and how they affect contribution credits. In this paper, we answer these questions by studying two disciplines that exemplify the two cornerstones of...

Previous work on the joint effects of vagueness in probabilities and outcomes in decisions about risky prospects has documented the decision-makers’ (DMs) differential sensitivity to these two sources of imprecision. Budescu et al. [6] report two studies in which DMs provided certainty...

This paper focuses on decisions under ambiguity. Participants in a laboratory experiment made decisions in three different settings: (a) individually, (b) individually after discussing the decisions with two others, and (c) in groups of three. We show that groups are more likely to make...