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5 Why Technique?5 Why Technique? "5 Why?" The technique is an iterative interrogative technique used to investigate the underlying cause- effect relationships of a particular problem.
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5 Why Technique?It was invented by the founder of Toyota Motor Industry, Sakichi Toyoda, and Japanese inventors were described as the King of Technique.
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5 Why Technique?The answer to each question is the basis of the next problem. This simple method offers a highly effective root cause analysis.
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5 Why Technique?There's always no need to ask the question five times. The main purpose here is to ask "why" until the main reason for the question.
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5 Why Technique?This can sometimes be 3, sometimes 5, sometimes 7 or more sometimes. The reason why the technique is expressed in 5 numbers is to think that the source of the problem can be found in 5 questions.
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5 Why Technique?To better understand the process, let's examine the technique in several examples.
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5 Why Technique?For example, suppose you are a web-based organization. The number of users is increasing day by day. “We have a problem” the server crashed!
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5 Why Technique?•The server crashed. Why is that? •Yesterday new codes we published to the server. Why is that? •We've added a new feature that excites us. He created a CPU problem. Why is that?
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5 Why Technique?•Our developer has created endless code cycle. Why is that? •He didn't test the codes enough and didn't test the unit. Why is that? •He has just joined our team and hasn't completed his TDD training yet.
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5 Why Technique?To solve the problem; You removed the problematic block of code in the code, and you told the young excited developer. And you sent him for TDD education.
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5 Why Technique?Finally, you have included TDD training in the orientation process of newly recruited developers.
To Reach a Solution With «5 Why» Questions
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