Final answer:
Hypnosis is a therapeutic technique used by some psychologists to help their clients with various issues, such as quitting smoking, overcoming fears, and reducing anxiety. It has been found to be at least somewhat effective for these purposes.
Step-by-step explanation:
Hypnosis is a therapeutic technique used by some psychologists to help their clients with a variety of issues. It involves guiding the participant to focus on one thing, such as the hypnotist's words or a ticking watch, and encourages them to be relaxed and open to suggestion. Hypnosis has been found to be at least somewhat effective for pain management, treatment of depression and anxiety, smoking cessation, and weight loss. Therefore, the correct answer is d. do all of the above.