Five Whys Technique Enabling a Group to Find the Root Cause of a Problem

 In Analyzing, Benefit Venture Blog, Tools

Five Whys Technique: Young kids are often dissatisfied with the first answer you give to their questions, and bug you with a few five whys techniquemore, whys? …but they may have a good reason! The first answer may not get to the root causes of what they want to know.

By repeatedly asking the question “Why”, you can progressively get to the root causes of a problem, which is why it’s sometimes called Root Cause Analysis. One question about the problem often leads to others. Although this technique is called the Five Whys Technique, you may find that you will need to ask the question fewer or more times than five, before you find the real issue that is the root cause of a problem.

The benefits of the Five Whys Technique are not only that it helps identify the root cause of the problem, but allows you to understand how different contributing aspects may be connected. The great thing is it’s simplicity, and you’re unlikely to need numbers or statistical analysis to get to the root causes.

Additionally, the Five Whys Technique is especially helpful in understanding social aspects or the relationship issues that may be involved with a problem’s causes. If you struggle with answering the five whys, you can use categories like: man, materials, machine, method, management, or environment.

Process for the Group

  1. Write down the specific problem. It will help identify and describe it fully, as well as aiding the whole group to focus on the same problem;
  2. Ask why the problem happens and write down the answer;
  3. If the answer doesn’t satisfy one or more group members, ask why again and write that answer down;
  4. Keep asking Why until the group feels that the root causes have been identified.

No tools are really necessary, but a flip chart or whiteboard really help, so that everyone can see and reflect on both questions and answers. The Five Whys Technique is an alternative to the Fishbone Diagram. You could try both and see technique works best for you.

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