One theory suggests that hypnosis simply involves getting caught up in role-playing the feelings and behaviors appropriate for "good hypnotic subjects." This theory emphasizes that hypnosis is a form of:

Social influence

Explanation:Social influence refers to how our behaviy can be changed by other people intentionally or unintentionally because of we know what is expected of us and we tend to go along with that . This may be due to conformity ,obedience and compliance.

In hypnosis people knows what is expected of them in that state and they will conform to that .

9) a & b

10) true.

11) false.

12) false.

13) true.

14) false.

15) true.

16) true.

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answer; the president uses mass media to gain support for policies;