Give an explicit direction for the student to stop misbehaving and to get back on task e.g. “Michael, put that away now and go back to your desk”. The direction is given firmly but politely. With blocking statements, explicit directions, and all firmly delivered directions, the direction should be given and then the teacher should turn away from the student and get on with the lesson, allowing ‘take up’ or ‘face saving’ time for the student. Where a teacher delivers a firm direction and then stands over or ‘eye balls’ the student until they comply, this will be seen as a challenge and a battle of ‘wills’. The student will not want to back down in front of his or her peers and as such will be highly motivated to continue the battle with the teacher and to win.
Reference links.