Superforecasting

Buchzusammenfassung

Philip E. Tetlock is the Annenberg University Professor at the University of Pennsylvania. He's a co-leader of the multi-year Good Judgment Project and is the author of Expert Political Judgment and coauthor of Counterfactual Thought Experiments in World Politics with Aaron Belkin. Over his career, he's published over 200 peer-reviewed articles and earned recognition from scientific entities such as the National Academy of Sciences and the American Psychological Association.

Mary Simpson’s inability to foresee the 2007 financial crisis, despite her expertise in economics, became a pivotal moment that drove her to join the Good Judgment Project and develop into a superforecaster, embodying the growth mindset described by psychologist Carol Dweck. This mindset, which views skills as cultivable through effort, contrasts with the fixed mindset that sees abilities as static. Historical figures like John Maynard Keynes illustrate the power of adaptability, as he transformed investment failures into opportunities for refinement. This iterative process of learning—attempting, failing, analyzing, and adjusting—has fueled progress in fields like aviation and medicine. However, theoretical knowledge alone is insufficient; hands-on experience, combined with constructive feedback, is essential for mastery. Professions like meteorology thrive on this principle, while others, like law enforcement, often lack the immediate feedback necessary for improvement. Superforecasters exemplify this commitment to growth, systematically dissecting uncertainties, integrating diverse perspectives, and continuously refining their predictions as new evidence emerges. Their success underscores that forecasting is not about innate talent but about adopting deliberate, evidence-based practices—a skill accessible to anyone willing to embrace effort and adaptability.

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