While on a cruise ship, Kevin became sick after eating a seafood dinner. His food poisoning, coupled with sea sickness, led to a terrible vacation and consequently Kevin shivers at the mere sight of a cruise ship. He later found that he also became anxious when he saw a small jet ski on the water. Kevin's response to the jet ski illustrates the process of __________.
◦ stimulus generalization
◦ acquisition
◦ stimulus discrimination
◦ scapegoating