Multiple Choice
You want to test people's cola preferences using a taste test of two different brands of cola.The participants will not know which cola they are tasting.However, you are also worried about possible clues you may give the people taking the test, so you decide to use _____ to prevent unwittingly giving the participants any clues to which cola they are tasting.
A) a single-blind experiment
B) a double-blind experiment
C) random selection
D) random assignment
Correct Answer:
Verified
Correct Answer:
Verified
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