Campbell's law
キャンベルの法則
Goodhart's law – Adage about statistical measures (Strathern variant)
perverse incentive – Incentive with unintended results
The purpose of a system is what it does – Systems thinking heuristic
Lucas critique – 1970s paradigm shift in economic thought, named for American economist Robert Lucas
reflexivity (social theory) – Circular relationships between cause and effect
Proxy (statistics) – Variable used in place of another variable
Observer effect (physics) – Fact that observing a situation changes it
Campbell's law - Wikipedia