Toilet Training in Less Than a Day
Nathan H. Azrin, Ph.D., is the father of four children and a leading authority on the psychology of learning. He received his Ph.D. from Harvard University, was a research associate at the Boston University School of Medicine, and has been a lecturer at Harvard's Psychology Department. The former editor of theJournal of Applied Behavior Analysisand theJournal of the Experimental Analysis of Behavior, he has published more than 100 studies in the field of learning and psychological treatment.