Hi William,
You hit upon the new classroom sore point, the cell phone. Instructors are working on all types of policies about their use in their classrooms. There are almost as many policies as there are instructors. The key point is cell phones must not be allowed to interfere with the instructional process.
In terms of classrooms, instructors can set a positive attitude towards the class and its' setting. This will help much with student belief that positive learning experiences will occur in the course. Also, notice should be taken of little things that can clutter the classroom or present… >>>