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

Question

Quizplus · Accepted Answer

A double-blind experiment is one in which neither the participants (subjects) nor the researchers (investigators) know who is receiving a particular treatment. This method is used to prevent bias in research results.

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