Teacher Effectiveness TrainingBy: Dr. Thomas Gordon For nearly thirty years, Teacher Effectiveness Training, or the T. E. T. book, based on Dr. Thomas Gordons groundbreaking program, has taught hundreds of thousands of teachers around the world the skills they need to deal with the inevitable student discipline problems effectively and humanely. Now revised and updated, T. E. T. can mean the difference between an unproductive, disruptive classroom and a cooperative, productive