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Ger de Waard
Management Consultant, Netherlands
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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 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 (...) Read more? Sign up for free
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Ashok Kella
Manager, India
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Our Endorsement to the 5 Whys
Yes, recently, in a complex issue dissecting in ou (...)
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David Week
Director, Australia
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Better, but not 'root'
Five Whys is a great way to get better answers, bu (...)
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Ivan Kohlinsky
Management Consultant, United Kingdom
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Back to Fundamental Thinking
Excuse me, but I am asking myself WHY is this meth (...)
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Dr. Schoenborn
Management Consultant, Germany
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5-W in Combination with Impact Measurement
I agree with @David that 5-W is a good approach fo (...)
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Wulf-Dieter Krueger
Teacher, Thailand
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5 Times Why - the Emperor's New Clothes
Watch your children asking this question again and (...)
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srinivas
Lecturer, India
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Root Cause by Conscious Approach
A rational approach is certainly a way to get clar (...)
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David Torres
Manager, Mexico
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5 x WHY’S is not Enough for Me
I took an 8D’s course and the homework was to take (...)
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Johnny Michael Tan
Management Consultant, Malaysia
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I Prefer the Following Name for this Tool: Why-Why Analysis
I want to share that when my Semiconductor manufac (...)
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Rodolfo Dionisi
Argentina
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Tools According to Problem Complexity
Remember that the first step to solve a problem (o (...)
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srinivas
Lecturer, India
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Role of Biases in Determining the 5 Whys
The 5 Whys as a tool is available for long and is (...)
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Mireille.durin
HR Consultant, Belgium
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1 WHY is Enough Sometimes
@Srinivas: There is always a WHY... Why this situa (...)
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Pedro Monteiro
Manager, Portugal
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5 Why is Excellent Tool to Start and Get Back to the Basics
5 Whys is one of the best, simple and effective pr (...)
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srinivas
Lecturer, India
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Preparing for Usage of 5 Whys
Before we use the 5 Whys is it possible and useful (...)
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VILMA JOY VALLE
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You Can Use 1 Why or 5 Whys or Multiple Whys
Not all people can solve a particular problem with (...)
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Ashok Kella
Manager, India
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Change 5 Why into Why-why Analysis
@Johnny Michael Tan: I agree with you that "Five" (...)
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Dietmar W. Sokowski
Consultant, United States
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Back to Fundamental Thinking
@Ivan Kohlinsky: Good point Ivan. Your comment is (...)
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Sudheendra G. Mudikeri
Management Consultant, India
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A Tip for this Fundamental Why-Why Technique
No matter how many WHYs are used, this tool has wi (...)
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Olaf de Hemmer
Business Consultant, France
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Why? or: What For?
I agree with pointing out that 'root cause' is hel (...)
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C.L. Kappagomtula
Professor, Malaysia
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Even a Single 'why' Can Suffice, Without Overtly Asking 'Why'
Those of you working in production/operations migh (...)
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Miguel Sacramento
Business Consultant, Brazil
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5 Why is not Japanese
@Wulf-Dieter Krueger: Yes. Every children has a "m (...)
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Bevis Qiu
China
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Find the Most Cost-Effective Solution after 5 Whys
Different solutions can be found through different (...)
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Olaf de Hemmer
Business Consultant, France
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Children Ask Why? Meaning what For?
@Wulf-Dieter Krueger: Are chidren not more interes (...)
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Miguel Sacramento
Business Consultant, Brazil
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5 Why is not Japanese
@Olaf de Hemmer: Sometimes yes. It depends on each (...)
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Wulf-Dieter Krueger
Teacher, Thailand
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Children Asking Why
Children ask why for the same reason as anybody el (...)
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FASESIN David
Manager, Nigeria
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5 WHY Methodology is Advanced
The 5 WHY methodology for problem solving is more (...)
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Ashok Kella
Manager, India
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Advanced 5 WHY Methodology
@FASESIN David: The effectiveness of Why-Why has b (...)
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srinivas
Lecturer, India
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Organisation Service or Product Delivery - Human Analogy-Root Cause
When we considering an organization as a living be (...)
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jorge anibal hoyos hoyos
Manager, Colombia
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Ask as Many Whys as Necessary
When talking about WHYS I also recall my kids when (...)
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srinivas
Lecturer, India
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Conscious Approach
We have expert systems which are currently under d (...)
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VILMA JOY VALLE
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Methods of Iterative Root Cause Analysis
We have a lot of tools available in the past and a (...)
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Lee, Youngki
Consultant, Korea (South)
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My Important Experience with 5 Whys
I engaged a company in a training meeting with emp (...)
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srinivas
Lecturer, India
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Delegation of All Rationally Viable Methods
If all rational methods including why why approach (...)
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Olaf de Hemmer
Business Consultant, France
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AI and Causes / Goals
@Srinivas: I'd be curious to see how AI gets the a (...)
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srinivas
Lecturer, India
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Feedback Loop Mechanism
Using semantic web technologies which are based on (...)
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C.L. Kappagomtula
Professor, Malaysia
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Stochastic Approach to Root Cause Analysis May Be the Need of the Day
I fully concur with Ger De Waard's argument to not (...)
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