As outlined in the textbook,researchers studied the effectiveness of audiotapes that contained subliminal messages.The researchers cleverly anticipated the placebo effect by adding another independent variable to the experiment.How was this achieved?
A)Participants listened to tapes that were mismarked.
B)Participants were paid to show the desired behaviour.
C)Participants were told that the tapes would be ineffective.
D)Participants heard messages that were clearly audible.

Question

Quizplus · Accepted Answer

The researchers used mismarked tapes to control for the placebo effect, ensuring that any changes in behavior could not be attributed to participants' expectations based on the labeling of the tapes.

As Outlined in the Textbook,researchers Studied the Effectiveness of Audiotapes