Deborah frequently speaks in front of large groups. To calm her anxiety, she usually has a couple of glasses of wine before beginning to speak. This "medicinal" use of alcohol can be explained MOST easily:

This "medicinal" use of alcohol can be explained MOST easily: By operant conditioning

Explanation:

Deborah usually have a couple of glasses of wine before beginning to speak in front of large groups. This "medicinal" use of alcohol can be explained MOST easily: By operant conditioning.

Operant conditioning is a goal oriented associative learning process by which humans and animals learn to modify the strength of a behavior in such a way as to obtain rewards and avoid consequences.

It is also known as instrumental conditioning.

the correct answer is c   with the systems