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Mario is a 7 year-old child with Autism. He does not like to hear people whistling and when he hears it, he always hits them. A behavior therapist teaches Mario to say, "Please stop whistling." The therapist whistles in front of him and when Mario says, "Please stop whistling", he immediately stops whistling; however, if Mario hits the therapist, the therapist continues whistling. What is this procedure called?
What is DNRA (differential negative reinforcement of alternative behavior or DRA-E (differential reinforcement of escape)