Cause and Effect Diagram

1. Project Management
Key Concepts

2. Cause and Effect Diagrams

3. What is it?
The Cause and Effect diagram breaks down the
causes of the problem statement identified into
discrete branches, helping to identify the main or
root cause of the problem.
Cause-and-effect diagrams are also known as
fishbone diagrams or Ishikawa diagrams (after
Kaoru Ishikawa from the University of Tokyo).
Cause and Effect Diagrams

4. Cause and Effect Diagrams
The “Problem” is placed at the head, and reasons are brainstormed in
the categories you choose – People, Information, Process and System, or
Man, Method, Machine, Material: