Fishbone Diagrams: Solving Issues, One Rib at a Time

Cause-and-effect diagrams. Cause-and-effect diagrams are also known as Fish-bone diagrams, why-why diagrams, or Ishikawa diagrams. These types of diagrams are used to identify the root causes of problems and come up with a solution for each issue.

How to Create a Cause and Effect Diagram

A cause and effect diagram can be created in six steps:

  1. Draw Problem Statement : Start by identifying the issue you want to solve.
  2. Draw Major Cause Categories : Create an arrow extending from the problem for Major causes
  3. Brainstorm Causes : Brainstorm other minor causes for each major cause.
  4. Categorize Causes : Categories each cause into the main Bone.
  5. Determine Deeper Causes : Determine the ribs for each Main cause.
  6. Identify Root Causes : Identify the root cause of the issue.
Fish-Bone Diagram

An Example for how fish bone diagrams helped me During my recent studies in college in order to solve issues with my assignments by identifying all the places i was lacking in and losing marks and by discussing with my professor. After laying it out on a sheet and going through each issue i was able to improve my process of preparing the assignment documents in a more professional manner. You can learn more about them in the below video.

https://ssfcollege-my.sharepoint.com/:v:/g/personal/nnoronha_flemingcollege_ca/EY92yqta2-hHir90nR_bdRUBhPqIQM0LeUlTyT9JXw17vw

References:

https://wpflemingcollege.com/simtiaza/2024/02/11/fishbone-diagrams-for-project-mastery/

https://www.project-management-skills.com/fishbone-diagram.html

Project Management Institute. (2017). “A guide to the Project Management Body of Knowledge (PMBOK guide) (6th ed.).” Project Management Institute.

Image Source: http://wiki.doing-projects.org/index.php/Fishbone_Diagram

4 thoughts on “Fishbone Diagrams: Solving Issues, One Rib at a Time

  1. Great breakdown on fishbone diagrams! Really appreciated the clear explanation on how they uncover root causes. Looking forward to more insights from you!

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