The 5 x Why Method (The 5 Whys)


 
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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
 

 
Our Endorsement to the 5 Whys
Ashok Kella, Manager, India
 

 
Better, but not 'root'
David Week, Director, Australia
 

 
Back to Fundamental Thinking
Ivan Kohlinsky, Management Consultant, United Kingdom
 

 
5-W in Combination with Impact Measurement
Schoenborn, Management Consultant, Germany
 

 
5 Times Why - the Emperor's New Clothes
Wulf-Dieter Krueger, Teacher, Thailand
 

 
Root Cause by Conscious Approach
srinivas, Lecturer, India
 

 
5 x WHY’S is not Enough for Me
David Torres, Manager, Mexico
 

 
I Prefer the Following Name for this Tool: Why-Why Analysis
Johnny Michael Tan, Management Consultant, Malaysia
 

 
Tools According to Problem Complexity
Rodolfo Dionisi, Other, Argentina
 

   

 
1 WHY is Enough Sometimes
Mireille.durin, HR Consultant, Belgium
 

   

 
Preparing for Usage of 5 Whys
srinivas, Lecturer, India
 

   

 
Change 5 Why into Why-why Analysis
Ashok Kella, Manager, India
 

 
Back to Fundamental Thinking
Dietmar W. Sokowski, Consultant, United States
 

 
A Tip for this Fundamental Why-Why Technique
Sudheendra G. Mudikeri, Management Consultant, India
 

 
Why? or: What For?
Olaf de Hemmer, Business Consultant, France
 

   

 
5 Why is not Japanese
Miguel Sacramento, Business Consultant, Brazil
 

   

 
Children Ask Why? Meaning what For?
Olaf de Hemmer, Business Consultant, France
 

 
5 Why is not Japanese
Miguel Sacramento, Business Consultant, Brazil
 

 
Children Asking Why
Wulf-Dieter Krueger, Teacher, Thailand
 

 
5 WHY Methodology is Advanced
FASESIN David, Manager, Nigeria
 

 
Advanced 5 WHY Methodology
Ashok Kella, Manager, India
 

   

 
Ask as Many Whys as Necessary
jorge anibal hoyos hoyos, Manager, Colombia
 

 
Conscious Approach
srinivas, Lecturer, India
 

 
Methods of Iterative Root Cause Analysis
VILMA JOY VALLE, Philippines
 

 
My Important Experience with 5 Whys
Lee, Youngki, Consultant, Korea (south)
 

   

 
AI and Causes / Goals
Olaf de Hemmer, Business Consultant, France
 

 
Feedback Loop Mechanism
srinivas, Lecturer, India
 

   

 
 

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Special Interest Group Leader
Jagdish B Acharya
Consultant

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