In Project STAR, 11,571 students in Tennessee and their teachers were randomly assigned to different classrooms in their schools from kindergarten to 3rd grade. Researchers learned that kindergarten test scores are highly correlated with such outcomes as earnings at age 27, college attendance, home ownership, and retirement savings. Students who…

Unsupported fears of youth violence in schools has led to an expansion of school-based policing and zero tolerance discipline. The historical reality is that America's public schools are very safe, even when located in high crime neighborhoods. Yet, school discipline is becoming increasingly punitive, moving from the schoolhouse to the courthouse.…

Dealing with difficult behavior is a matter of awareness of the factors involved in prediction, prevention, and instruction. This means three things: Teachers know, or can be assisted in thinking through the environmental events and contexts that are associated with higher probabilities of problem behavior. Second, teachers can actively manipulate…

The shift to alterable variables (those that can be changed before or during the teaching and learning processes) enables researchers to move from an emphasis on prediction and classification to a concern for causality and the relations between means and ends in teaching and learning. (Author/IRT)