Suppose that unhypnotized adults who are encouraged to behave like children act just as genuinely childlike as hypnotized adults who are encouraged to act in a childlike manner. This fact would most clearly support the view that hypnosis involves

Social influence

Explanation:

Social influence is the change in behavior that one person causes in another, intentionally or unintentionally, as a result of the way the changed person perceives themselves in relationship to the influencer, other people and society in general. This questions explains how much of a social influence hypnosis has.