Monica, a new student at valley high school, becomes friends with a group of teenagers who use marijuana and remain seated during the singing of the national anthem. although monica had never used marijuana and used to sing the anthem, she begins to engage in the same behavior as her new friends. this is an example
a. differential association.
b. conformity.
c. labeling.
d. both conformity and labeling.

(A) Differential association

Explanation:

 The differential association is one of the type of theory and it is proposed by the Edwin Sutherland In the year 1939.

This theory basically explain about the people values, motives, attitude and the technique which is developed by the interaction with the other people. This theory is also revised in the year 1947.

This theory basically explain about the criminal behavior of the person and also describe about the leaning theory of the deviance.  

 Therefore, Option (A) is correct.

answer; drop shippers;