Complete the Words Practice Test 2: The placebo effect in medical research | TOEFL iBT

Fill in the missing letters in the paragraph. Each underscore (_) stands for one missing letter. Type the complete word for each item.

Topic: The placebo effect in medical research0 / 10 answered

A placebo is a treatment with no active ingredient, such as a sugar pill. (1)Surpri______, many (2)pati____ who (3)ta__ a (4)pla____ feel (5)bet___, especially (6)wh__ their (7)cond_____ involves (8)pa__, stress (9)o_ poor (10)sl___. Researchers think that expecting to recover can change how the brain processes signals from the body. For this reason, new medicines are usually tested against a placebo to show that they work better than belief alone.