In an Experiment Concerning the Effect of Auditory Feedback on Accuracy

Essay

In an experiment concerning the effect of auditory feedback on accuracy in writing computer programs, one group hears a computer-simulated voice say each character or symbol that they type in as they are writing their programs. The second group does not receive the auditory feedback as they type their program lines. This second group is the ___________ group.
a. experimental
b. control
c. placebo
d. confederate