The document describes a cause-and-effect diagram, also known as a fishbone diagram, which can be used to visually identify the causes of problems. It provides steps to create a cause-and-effect diagram: 1) define the problem and effect, 2) identify main categories of causes, 3) create sub-branches within categories to represent potential specific causes. The document then provides an example fishbone diagram analyzing potential causes for students regularly being late to college. It lists some potential causes within categories of transportation issues, school-related issues, and home/personal issues. Finally, it discusses some strategies teachers can use to reduce student lateness such as starting class with engaging activities, intriguing items, or announcements.