Violet Is Participating in a New Drug Trial

Multiple Choice

Violet is participating in a new drug trial. For the past month, she has been taking an anti-anxiety medication and reporting on her moods, stress, and levels of anxiety. According to Violet, she feels better than she has for years. Most of her anxiety is gone, and she is able to handle stress better. What Violet doesn't know is that she is actually taking a sugar pill. That is, she is not actually taking a medication for anxiety. Violet's response to this medication is called:

A) placebo tolerance.
B) an unconditioned response (UCR) .
C) an operant response.
D) a placebo response or placebo effect.