The Good Judgment Project, a four-year research study organized as part of a government-sponsored forecasting tournament. Thousands of people around the world predict global events. Their collective forecasts are surprisingly accurate.
The Good Judgment research team is based in the University of Pennsylvania and the University of California Berkeley. The project is led by psychologists Philip Tetlock, author of Expert Political Judgment, Barbara Mellers, an expert on judgment and decision-making, and Don Moore, an expert on overconfidence. Other team members are experts in psychology, economics, statistics, and computer science and interface design.
