KnowraGoodhart's lawLinked fromLinked fromThe 29 pages that link to Goodhart's law, each with the reason it gives.All 29Related 24Compared with 5Construct validityCompared with: When scores become targets, behavior may change in ways that weaken their connection to the intended construct.Audience measurementCompared with: Optimizing for audience metrics can distort the content and behavior those metrics are meant to describe.Goal settingCompared with: A narrowly chosen goal can distort behavior when its metric becomes the sole priority.AdditionalityCompared with: Rewards tied to additionality claims can encourage projects to optimize baselines rather than real outcomes.Observer-expectancy effectCompared with: It captures a related danger: expectations can distort measures once observers act on them.