Every parent has probably encountered the fact that suddenly their sweet and wonderful child becomes capricious, dissatisfied, fights over every little thing or is rude. At this moment, when contact is broken, parents need help: the problems are unlikely to resolve themselves. Alan Kazdin, one of the most respected psychologists in the world, has developed a method that corrects children during a “difficult” period in their lives. Moreover, his techniques are relevant for children of any age - from infants to teenagers.