Final answer:
The perspective in this case is behaviorist psychology. Ella was accidentally trained to be afraid of animals using classical conditioning. Petting the bunny was an unconditioned stimulus and the pleasure and joy elicited was an unconditioned response.
Step-by-step explanation:
In this case, the perspective is behaviorist psychology. Ella had been accidentally trained to be afraid of animals using a technique known as classical conditioning.
Before the substitute teacher began, petting the cute little bunny in the classroom was just an unconditioned stimulus, and the pleasure and joy of petting the bunny was simply an unconditioned response.