More than a half-century ago, Beecher (1959) found that some pain reduction was reported by just over ______ of those given a placebo instead of the morphine they believed they were receiving.
A) 15%
B) 25%
C) 40%
D) 50%

Question

Quizplus · Accepted Answer

Beecher (1959) discovered that approximately 40% of individuals reported some pain reduction when given a placebo, believing it was morphine.

More Than a Half-Century Ago, Beecher (1959) Found That Some