A "hidden observer" is

A) a person, out of sight of the hypnotist, who monitors the process to make sure the hypnotist does not violate ethical standards.
B) a part of the mind of the hypnotized person that remains separate.
C) a friend or family member who observes the hypnosis to protect the hypnotized person.
D) a form of hypnotic suggestion, where subjects are told to imagine someone is constantly watching them.

Answer: B
Rationale: Dissociation theory explains hypnosis as a unique state in which consciousness is divided into two parts: an observer and a hidden observer.