Using 5 Why's to find Root Cause


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Using 5 Why's to find Root Cause

  1. 1. Using 5 Why’s to find Root Cause
  2. 2. Created by Tom Curtis 2011Blog: www.onimproving.blogspot.comPresentations: Email: ideamerchants@gmail.comTwitter: @onimproving
  3. 3. Introduction Using 5 why’s can change your life. this is not an overstatement or an empty promise. 5 Why’s is what it sounds like-- asking why 5 times. the goal of doing this is to find root cause so that we can apply corrective action. Root cause or causes are the primary causes of anissue. When we look at an issue we often see symptoms of what is happening. Acting to fix these can waste our time and effort or make the issue worse. We must find root cause and correct.
  4. 4. 5 Why’s: a templateIssue:Point Of Cause:Why? Root Cause(S):Why?Why? CorrectiveWhy? Action(s):Why?
  5. 5. 5 Why’s: The ProcessSelect the issue (what do we want to solve)Establish Point of Cause (Where the Issueis happening--Think time & place)Use 5 Why’s to establish Root Cause(s)Create Corrective action(s) for Root CauseReview Corrective Actions for effectivenessEnsure maintenance of improved state
  6. 6. 5 Why’s: an exampleIssue: Steve misses birthdaysPoint Of Cause: Always, FamilyWhy? he forgets Root Cause(S):Why? he does not have a way Reminderto remember GoneWhy? his daughter reminded Corrective Action(S):Why? she is at school Add remindersWhy? college started in phone
  7. 7. 5 why is easier to understand and Follow than to DO . We must practice.Give one a Try.
  8. 8. 5 Why’s: a templateIssue:Point Of Cause:Why? Root Cause(S):Why?Why? CorrectiveWhy? Action(s):Why?
  9. 9. How did it go?What went well? What did not? What will you do differently the next time?
  10. 10. a few tips in doing5 Whys Find Point of Cause (it narrows the field) Practice again and again Review what worked & what did not & Adjust Allow for multiple Root Causes Recognize it may take less than 5 why’s Do not be put off by the simplicity of the concept
  11. 11. places to practiceunderstanding failed strategyanother’s actions delayed projectDefective product why something is lostWhy we are angry? LatenessOvercoming a mistake opportunities toHelping a friend improveunderstanding our poor scoresbehavior