Difference between revisions of "Goodhart's Law"

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Revision as of 14:47, 1 November 2024

Definition

"When a metric becomes a target, it ceases to be a good measure"

Examples

YouTube determined that empirically people watched longer video for a longer time. No surprise there, but it scored high on the metrics that YourTube measured, which means that got higher page ranked by "The Algorithm". So people made longer videos, and they put all the important stuff at the very end, forcing people to watch all the way through to the end. That adaption by the creators caused the ranks of longer videos to go down.

References