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The 5 x Why Method (The 5 Whys)
Ger de Waard, Management Consultant, Netherlands
DESCRIPTION OF THE 5 WHY METHOD
The "5 x why" method has been developed by Toyota to perform an iterative Root Cause Analysis of production-related problems. The "5 x why" method is one of the available tools for performing a root-cause analysis. Its simple design and effective output made the 5 x why method also into a popular method used in Kaizen, Lean Production, Six Sigma, Value Stream Analysis, etc.
HOW DOES THE 5 X WHY METHOD WORK?
- IDENTIFY THE PROBLEM for which the root cause has to be identified.
- ASK: WHY has this problem arisen? The result is a reply with a new or different problem.
- KEEP ASKING: WHY? Take the first answer (or problem) and reformulate the question: Where has this issue has arisen? Repeat thes... Register
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Jagdish B Acharya