Answer:
If Joseph is successful, the neutral stimulus, the squirrel, must have been paired with an unconditioned stimulus such as a loud noise.
Option: (d)
Step-by-step explanation:
- In classical conditioning, two of the stimulus are linked together in order to produce a newly acquired response in a person or animal.
- To make clear for his sister to be afraid of squirrel he introduced a stimuli ‘loud noise’ that makes aware about risk of squirrel. The classical conditioning technique was introduced by Pavlov in 1902.