In an Experiment,hypnotized Subjects Are Told to Scratch Their Ear

Multiple Choice

In an experiment,hypnotized subjects are told to scratch their ear if they hear the word psychology mentioned later. The fact that they do so only if they think the experiment is still under way most clearly supports the theory that hypnosis involves

A) dissociation.
B) divided consciousness.
C) role-playing.
D) hypnagogic sensations.