Question

Because she mistakenly believes the herbal remedy she is using will help her lose weight, mrs. redding is feeling a considerable reduction in her appetite. this best illustrates the _____ effect.

Answer 1

I believe the answer is: the placebo effect

the placebo effect refers to a situation when a person is experiencing the effect of the drugs while in they're not actually taking the real drugs.
Placebo effect usually used in research in order to determine control group to gauge whether the true drugs are actually giving proper result.