Affinity diagrams are used to do a high-level organization of the ideas and the fishbone diagram is used to drill down and do root cause analysis.

How to Determine Root Cause Using a Fishbone Diagram. A fishbone diagram, also known as the Ishikawa digram after its inventor, is a visual representation of all causes that result in a particular ...

What it is: The fishbone diagram is a tool to organize ideas and theories about what causes a problem or an event. How it works: Teams work together to brainstorm and identify potential causes and ...

Tools such as the fishbone diagram and the 5 Whys technique can help worksite incident investigations identify the root causes of workplace accidents and improve safety protocols.