Daniel Kahneman, Olivier Sibony & Cass R. Sunstein · 2021

Why humans make inconsistent judgments and what to do about it.

While bias has been extensively studied, noise—unwanted variability in judgments that should be identical—has been largely overlooked. This book reveals how noise undermines the quality of decisions in medicine, law, business, and everyday life. The authors show that wherever there is judgment, there is noise, and usually far more than expected. They offer practical strategies for reducing noise and improving the quality of decisions, including decision hygiene, algorithms, and structured decision-making.

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