The 1970s psychoanalytic approach:
Applied Behavior Analysis (ABA), based on operant-conditioning, target behaviors (excess of unwanted and or deficits of wanted) are modified with reinforcement approximations (shaping).
Applied behavior analysis, also called behavioral engineering,
applying empirical approaches based upon the principles of respondent and operant conditioning to change behavior of social significance. It is the applied form of behavior analysis; the other two forms are radical behaviorism and the experimental analysis of behavior. (Wikipedia)