According to social psychological research ,what are the "ideal conditions" for punishment to be an effective deterrent to violence?

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Research suggests that punishment is most effective in deterring violence when it is swift and certain, rather than severe or moderate. Swift punishment makes the connection between the behavior and consequence immediate, while certainty ensures that the individual is aware that punishment will always follow the behavior. Fairness is also important, but it is not as critical as swiftness and certainty in deterring violence.

According to Social Psychological Research ,What Are the "Ideal Conditions