Conditioned avoidance responses and phobias: a reply to Wolpe and to Powell and Lumia.
D000818:Animals; D001362:Avoidance Learning; D001521:Behavior Therapy; D003214:Conditioning, Classical; D003213:Conditioning, Psychological; D006801:Humans; D010698:Phobic Disorders; D011582:Psychological Theory; D051381:Rats