Jisho

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ぶんせき 分析
Noun
1. why-why analysis (analytical method for identifying the root causes of a problem)
Wikipedia definition
2. 5 WhysThe 5 Whys is a question-asking technique used to explore the cause-and-effect relationships underlying a particular problem. The primary goal of the technique is to determine the root cause of a defect or problem.
Read “5 Whys” on English Wikipedia
Read “なぜなぜ分析” on Japanese Wikipedia
Read “5 Whys” on DBpedia

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