In an experiment where neither the physicians nor the subjects know who was receiving the experimental drug or placebo is an example of a
a. non-confounding experiment.
b. secure experiment.
c. true experiment.
d. double-blind experiment.
e. post hoc experiment.
D
You might also like to view...
Much of the country's worst pollution disproportionately affects affluent communities
Indicate whether the statement is true or false
European American men help with chores less than either Latino or African American men.
Answer the following statement true (T) or false (F)
Today, the U.S. State Department recognizes nearly ___________ independent nation-states throughout the world
a. 150 b. 200 c. 250 d. 300
Taoist, Confucian, and Buddhist ideas in China emphasize the importance of
A. building strength to promote Communism. B. becoming more efficient workers. C. seeking harmony with nature. D. dominating other human beings.