In a Medication Trial, a Participant with ADHD Acted Very

 In a medication trial, a participant with ADHD acted very relaxed and focused after trying a new medication that he believed would calm him down. However, the "medication" was really just a sugar pill. Given what you've learned in this chapter, which of the following explanations makes the most sense?

A) This would not have happened, because you have to have had a drug in order to feel its effects.
B) This could happen because the placebo effect is real and can result in actual physical symptoms.
C) The only way this could happen would be if the participant really didn't have ADHD.
D) The participant didn't really feel relaxed and focused but didn't want to disappoint the doctors.