Which of the following is the best description of a double-blind experiment?
A) an experiment in which both the investigators and the subjects are hidden from the others' views
B) an experiment in which neither the investigators nor the subjects know the others' names
C) an experiment in which neither the investigators nor the subjects know how the treatments have been assigned
D) an experiment in which the subjects are blindfolded so they cannot see which treatment is applied to them

Question

Quizplus · Accepted Answer

A double-blind experiment is one in which neither the investigators nor the subjects know how the treatments have been assigned. This helps to eliminate any potential bias from the investigators or the subjects, and ensures that the results are as objective as possible. Option A is describing a hidden or concealed experiment, Option B is describing an anonymous experiment, and Option D is describing a blind or masked experiment, but none of them describe a double-blind experiment.

Which of the Following Is the Best Description of a Double-Blind