In a study examining the effects of caffeine on memory, the participants are not told if they received caffeine or not. The technical term for this procedure is that the participants were
A. uninformed.
B. blind.
C. manipulated.
D. placeboed.
Answer:B
In a study examining the effects of caffeine on memory, the participants are not told if they received caffeine or not. The technical term for this procedure is that the participants were
A. uninformed. B. blind. C. manipulated. D. placeboed.