Checked fact 9269 Oct 2026Safety and security

The paper describes Goodhart's law as the observation that when a metric is used as a target, it ceases to be a good metric.

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The exact words it rests on

In the economics literature this is known as Goodhart's law [63]: "when a metric is used as a target, it ceases to be a good metric."

What the source said when we opened it, on 9 Oct 2026.

The source

Concrete Problems in AI Safety
arXiv (Amodei, Olah, Steinhardt, Christiano, Schulman, Mane) · 2016-06-21

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Checked by the notis newsroom on 9 Oct 2026, against the source above.

In the story

How reward hacking lets a model game its score 9 Oct 2026

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“The paper describes Goodhart's law as the observation that when a metric is used as a target, it ceases to be a good metric.” ai notis, checked 9 Oct 2026. Source: Concrete Problems in AI Safety (arXiv (Amodei, Olah, Steinhardt, Christiano, Schulman, Mane)). https://ainotis.com/c/926

As a reference (APA style)

ai notis. (2026, October 9). The paper describes Goodhart's law as the observation that when a metric is used as a target, it ceases to be a good metric [Checked claim 926]. ai notis. https://ainotis.com/c/926

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