John Watson and Rosalie Rayner (1920) Conducted Experiments with an 11-Month-Old

John Watson and Rosalie Rayner (1920) conducted experiments with an 11-month-old baby named Albert to demonstrate how:

A) the process of extinction is observable even in infants.
B) the principles of classical conditioning can explain, and be used to create phobias.
C) a neutral stimulus can become a conditioned stimulus by being paired with an established conditioned stimulus.
D) the key factor in classical conditioning is the perception of an association between the conditioned stimulus and the unconditioned stimulus.