Marshall ate a hamburger he purchased from his favorite fast food restaurant. an hour later his stomach became very upset and he spent the rest of the evening vomiting. a week later he entered the restaurant and immediately became nauseous when he saw a hamburger. marshall's nausea when he saw the hamburger is an example of:

Marshall’s nausea when he saw the hamburger is an example of classical conditioning. The classical conditioning happens when neutral stimulus which had happened before is connected with a potent stimulus. It is seen in the scenario of when Marshall had experienced vomiting because of the hamburger, after having to see another one made him react to the stimulus.

a: social security and social programs

answer; revisionist;