Groups of individuals can sometimes make more accurate judgments than the average individual could make alone. We tested whether this group advantage extends to lie detection, an exceptionally challenging judgment with accuracy rates rarely exceeding chance. In four experiments, we find that groups are consistently more accurate than individuals in distinguishing truths from lies, an effect tha...

h h p f s i e o t vercoming Obstacles to Health: a Report from the Robert Wood Johnson Foundation to the Commission to Build a Healthier America was issued rom the foundation to the commission at the commision’s 2008 public launch. The purpose was to present the oundation’s rationale for establishing the commission nd provide a conceptual framework and scientifıc guidnce for the commission’s wo...