Biofeedback is an application of __________

A) classical conditioning.
B) operant conditioning.
C) social learning.
D) preparedness.

Biofeedback involves operant conditioning, where individuals learn to modify their physiological responses through feedback of information about those responses. Classical conditioning involves associating a neutral stimulus with a conditioned response, social learning involves learning through observing others, and preparedness refers to the tendency of humans to be biologically prepared to learn certain associations (such as fear of snakes or spiders) due to evolutionary history.