If neither the experimenter nor the participant knows if the drug the participant is taking is a placebo or "the real thing,"this method of eliminating experimenter bias is called:
A) pilot study
B) standardization
C) single blind
D) double blind

Question

Quizplus · Accepted Answer

In a double-blind study, neither the participants nor the experimenters know who is receiving a particular treatment, which helps eliminate bias.

If Neither the Experimenter nor the Participant Knows If the Drug