Six Sigma White Belt Certification Practice Exam 2026 - Free White Belt Practice Questions and Study Guide

The Fishbone diagram, also known as the Ishikawa or cause-and-effect diagram, is specifically designed to identify and visually represent the potential causes of a problem or effect. This type of diagram organizes ideas and information in a manner that helps teams systematically explore a problem's contributing factors.

The main body of the fishbone diagram resembles the backbone of a fish, with the "head" representing the problem or effect, and the "bones" branching off to represent the various categories of potential causes. These causes can be further broken down into smaller components, allowing for a detailed analysis of how different elements contribute to the issue at hand.

Using this diagram facilitates a deeper understanding of relationship dynamics between different causes and effects, thereby guiding teams in problem-solving efforts. This structured approach enhances the ability to pinpoint areas for improvement effectively, making the Fishbone diagram an essential tool in Six Sigma and quality management practices.