🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ238599· pop 25· linked from 42 articles5 WhysAlso known as Five Whys, 5 Whys methoditerative interrogative techniqueAvailable in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoالعربيةArmenianBahasa IndonesiaCroatianConnectionsToyotaEntityAristotleEntityCategoriesLean manufacturingProblem solving methodsToyota Production System