Speculative thinking increases. Students ask more questions. Students propose more investigations. Student achievement improves. Classroom discipline improves.
Teachers ask fewer questions.
Teachers ask better questions, requiring higher-order thinking skills. The first wait-time interval is important to allow a student to consider a question and formulate a response. Dr. Rowe did her research in hundreds of elementary school science classrooms. It has been replicated many times at all educational levels. The results have been extraordinarily and consistently the same.