Brad has developed an "excess of definitions" that support his rationalization to sell marijuana in his dormitory. he feels marijuana is "a safe drug," considers himself as only providing his fellow students a product they demand, and saves money in the process for his own marijuana needs. brad's behavior can best be explained by which theory of deviance?

The theory of deviance that is being describe of Brad's behavior is the theory of differential association. This explains why an individual progress or is motivated in committing a deviant behavior in which it is shown above why Brad is behaving that way for he is doing it for his needs. It is a way of motivating an individual in doing behaviors of a criminal.