The 5 x Why Method (The 5 Whys)
Ger de Waard, Management Consultant, Netherlands, SIG Leader
DESCRIPTION OF THE 5 WHY METHOD
The "5 x why" method has been developed by Toyota to perform an iterative 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 , , , , 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 these steps until you arrive at the core (root-cause) of the issue/problem.
USING THE 5 WHYS. APPLICATIONS
The 5 x Whys can be used for several things:
- VALIDATING ASSUMPTIONS: It is a simple tool that helps the Belt to unearth an assumption embedded in the process he/she is inves (...) Read more? Sign up for free
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