Which of the following is the best example of a discriminative stimulus (SD)?
A)
Whenever Blake smells a turkey roast, he thinks about his grandmother's famous turkey dinners.
B)
Whenever Zelda sees a lime being cut, she knows her mouth will water as she anticipates the sour fruit.
C)
Whenever Helga is at school, she knows that she will not receive an ice cream for holding the door open.
D)
Whenever Greg goes to his grandmother's house, he knows to chew with his mouth closed if he wants dessert.
Answer: D