In clinical trials of new medicines, half of the subjects receive the drug being tested and half receive a physiologically inert substanceβa placebo. ββββββ βββ ββββββββ ββββ βββ βββββββββ ββββ βββββββ ββββββββ βββ βββββββββββββ ββββ ββββ βββ βββββ ββββββββ βββ ββββββββ βββββ βββββ βββ ββββ βββββ βββββββ ββββββββ ββββ βββββββββ ββ ββββββββββ ββββββββββ βββββββ ββββββββ
Which one of the following, ββ βββββ ββββ βββββββββββββ βββββββββ βββ ββββββββββββ
often the subjects βββ βββββββ βββ ββββ βββββ ββββββ βββββββ ββββββββ ββββ βββ βββββββββββββ βββββββββ ββ ββββ βββββββ ββ βββ βββββββββββββββ ββββββ ββββ
subjects who believe ββββ βββ βββββββββ βββ ββββ βββββ ββββββ βββββ βββββββ ββββββββββββ ββ βββββ ββββββββββ ββββββββββ ββ βββββββ ββββ ββ ββββββββββββ ββ ββββ ββ βββββββββββββββ ββββββ ββ βββ
in general, when βββ βββββ ββ ββββββββ ββ βββββββββ βββ ββββββββββββ ββββββββ ββββββ ββββββ ββββ βββ ββββββββββββββ βββ ββ βββ ββββββββ βββ βββββββ ββββββββββ
when a trial ββββ β ββββ βββββ βββ ββ βββ βββββββββββββ ββββ ββββ ββ ββ ββββ βββββββββ ββ ββββββββββ
the people who βββ ββββββββ βββ ββββββββ ββββββ βββββ ββ ββββ ββ ββββββββββ βββ ββββ ββ ββββββββ ββ βββ βββββββββββ ββββ ββββ ββββ βββββββ β βββββββ