Harlan HansenI was a long-time professor of Early Childhood Teacher Education at the University of Minnesota where my teaching included courses in Classroom Behavior: Management and Discipline. I am now a professor emeritus.I have an extensive publication record.I have published a dozen books and numerous articles, I have given numerous presentations on my work, and I have been INVITED TO SERVE as a consultant to school authorities in numerous states and several foreign countries. Read More Read Less