Jane had leukemia as a child and had to undergo numerous bouts of chemotherapy. she had associated the waiting room with nausea. now 35 years old, she had to take her mother to the same hospital for breast cancer treatment. she became nauseous while in the waiting room with her mother. her nausea best illustrates:
a. latent learning.
b. shaping.
c. delayed reinforcement.
d. spontaneous recovery.

D. spontaneous recovery

Explanation:

Based on the information provided in regards to the situation at hand it seems that Jane's nausea best illustrates spontaneous recovery. This is a phenomenon discovered by Ivan Pavlov which refers to the re-appearance of a conditioned response thought to have been gone after a significant delay. Which is what is happening since Jane suddenly began having nausea (conditioned response) after having entered the waiting room a couple of decades later.

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.