The 5 x Why Method (The 5 Whys)

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Six Sigma > Best Practices > The 5 x Why Method (The 5 Whys)

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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  Our Endorsement to the 5 Whys
Ashok Kella, Manager, India, Member
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  Better, but not 'root'
David Week, Director, Australia, Member
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  Back to Fundamental Thinking
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  5 Times Why - the Emperor's New Clothes
Wulf-Dieter Krueger, Teacher, Thailand, Member
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  Root Cause by Conscious Approach
srinivas, Lecturer, India, Member
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  5 x WHY’S is not Enough for Me
David Torres, Manager, Mexico, Member
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  I Prefer the Following Name for this Tool: Why-Why Analysis
Johnny Michael Tan, Management Consultant, Malaysia, Member
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  Tools According to Problem Complexity
Rodolfo Dionisi, Argentina, Member
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  Role of Biases in Determining the 5 Whys
srinivas, Lecturer, India, Member
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  1 WHY is Enough Sometimes
Mireille.durin, HR Consultant, Belgium, Member
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  5 Why is Excellent Tool to Start and Get Back to the Basics
Pedro Monteiro, Manager, Portugal, Member
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  Preparing for Usage of 5 Whys
srinivas, Lecturer, India, Member
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  You Can Use 1 Why or 5 Whys or Multiple Whys
VILMA JOY VALLE
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  Change 5 Why into Why-why Analysis
Ashok Kella, Manager, India, Member
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  Back to Fundamental Thinking
Dietmar W. Sokowski, Consultant, United States, Member
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  A Tip for this Fundamental Why-Why Technique
Sudheendra G. Mudikeri, Management Consultant, India, Member
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  Why? or: What For?
Olaf de Hemmer, Business Consultant, France, Member
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  Even a Single 'why' Can Suffice, Without Overtly Asking 'Why'
C.L. Kappagomtula, Professor, Malaysia, Member
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  5 Why is not Japanese
Miguel Sacramento, Business Consultant, Brazil, Member
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  Find the Most Cost-Effective Solution after 5 Whys
Bevis Qiu, China, Member
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  Children Ask Why? Meaning what For?
Olaf de Hemmer, Business Consultant, France, Member
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  5 Why is not Japanese
Miguel Sacramento, Business Consultant, Brazil, Member
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  Children Asking Why
Wulf-Dieter Krueger, Teacher, Thailand, Member
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  5 WHY Methodology is Advanced
FASESIN David, Manager, Nigeria, Member
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  Advanced 5 WHY Methodology
Ashok Kella, Manager, India, Member
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  Organisation Service or Product Delivery - Human Analogy-Root Cause
srinivas, Lecturer, India, Member
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  Ask as Many Whys as Necessary
jorge anibal hoyos hoyos, Manager, Colombia, Member
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  Conscious Approach
srinivas, Lecturer, India, Member
  (...)

  Methods of Iterative Root Cause Analysis
VILMA JOY VALLE
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  My Important Experience with 5 Whys
Lee, Youngki, Consultant, Korea (South), Member
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  Delegation of All Rationally Viable Methods
srinivas, Lecturer, India, Member
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  AI and Causes / Goals
Olaf de Hemmer, Business Consultant, France, Member
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  Feedback Loop Mechanism
srinivas, Lecturer, India, Member
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  Stochastic Approach to Root Cause Analysis May Be the Need of the Day
C.L. Kappagomtula, Professor, Malaysia, Member
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The 5 x Why Method (The 5 Whys)
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