Jamie, who expects to be less inhibited when she drinks alcohol, will act less inhibited whether she actually drinks alcohol or drinks a placebo she thinks is alcohol. This phenomenon is called

The Expectancy Effect is When someone expects a given result, that expectation unconsciously affects the outcome or report of the expected result.

When a participant expects to have a certain kind of outcome they will, without realizing it, change their actions and behaviors to actually get this exact outcome.

In scientific research and psychotherapy, the subject-expectancy effect, is a form of reactivity that occurs when a research subject expects a given result and therefore unconsciously affects the outcome, or reports the expected result. Because this effect can significantly bias the results of experiments (especially on human subjects), double-blind methodology is used to eliminate the effect.

Therefore, we can conclude that the correct option is D.

Your question is incomplete, but most probably your full question was:

Jamie, who expects to be less inhibited when she drinks alcohol, will act less inhibited whether she actually drinks alcohol or drinks a placebo she thinks is alcohol. This phenomenon is called

a. klepto-pyro effect.

b. the lysergic effect.

c. Wernicke-Korsakoff effect.

d. the expectancy effect.

Learn more about Life Expectancy on:

brainly.com/question/4648168

#SPJ4