A fishbone diagram, also known as a cause and effect diagram, is a visual tool that helps you identify and organize the possible causes of a problem. It looks like a fish skeleton, with the problem as the head and the causes as the bones. To use it effectively, you must first define your problem clearly and write it on the right side of the diagram. Then, identify the main categories of causes, such as people, process, environment, or resources, and write them on the left side of the diagram, connected to the problem by a spine. After that, brainstorm the specific causes for each category and write them as sub-branches of the main branches. Afterwards, analyze the diagram and prioritize the most likely and impactful causes. By using this method, you can get a comprehensive and systematic view of the factors that contribute to your problem, allowing you to focus on addressing them.