- In medicine, an intervention is a treatment given to a patient in order to improve their condition or prevent it from getting worse.
- In psychology, an intervention is an attempt to change someone's behavior or thoughts, often through therapy or counselling.
- In international relations, an intervention is the act of one country or organization interfering in the affairs of another country or organization, often by military force or other means of coercion.
- In statistics, an intervention is an event or action that is introduced into a study to observe its effects on the outcome.
- In education, an intervention is an action or set of actions taken to improve student learning or behavior.
- In finance, an intervention is a government action taken to influence the economy or financial markets.