1182PsychologyMedium
Which of the following best describes a double-blind experimental procedure?
AAll subjects get the experimental procedure
BAll subjects get the control procedure
CHalf the subjects get the experimental procedure, half the placebo; which they receive is not known to subjects or experimenter
DHalf the subjects get the experimental procedure, half the placebo, which they receive is known only to the experimenter
Correct answer
C. Half the subjects get the experimental procedure, half the placebo; which they receive is not known to subjects or experimenter
Explanation
The correct answer is Half the subjects get the experimental procedure, half the placebo; which they receive is not known to subjects or experimenter.