One Saturday, Lacey was sitting at home when the telephone rang. A local company was making promotional calls and told Lacey she had just won a $1000 gift certificate. She felt a rush of excitement at the thought of what she could do with $1000. Now Lacey finds that whenever she hears a telephone ring, she feels a surge of excitement. In this example, identify each of the following:
a. the unconditioned stimulus ______________________________________
b. the unconditioned response _____________________________________
c. the conditioned stimulus ________________________________________
d. the conditioned response _