Welcome to the topic of continuous quality improvement (CQI)! "CQI: Diagrams" provides diagramming tools which can be added to your CQI toolkit. This video lesson, "The Fishbone Diagram," is the fourth in a series of five. It describes the fishbone diagram as a process improvement tool used to identify cause-and-effect relationships in large groups of elements and steps. After view the lesson, the viewer will understand when and how to use the fishbone diagram effectively.