The MTI Precision Products salesperson made a sales call to a dentist and described MTI's new drill as having "unbelievable cutting power" and being "perfectly balanced to reduce hand fatigue." The dentist commented that he has never purchased an MTI drill because they seem overpriced and unreliable. In terms of the communication process, the dentist:
a. provided feedback.
b. encoded the message.
c. created significant noise.
d. decoded a nonverbal message.
e. altered the communication channel.
Answer: a. provided feedback