How might failing one test in school be considered eustress but failing several tests be considered distress? Based on the premises of the placebo effect, what response would you expect if you gave...

How might failing one test in school be considered eustress but failing several tests be considered distress?

Based on the premises of the placebo effect, what response would you expect if you gave 100 people a red-colored candy resembling a pill that you said would increase their desire for sex?