{"id":63921,"date":"2025-10-10T15:05:35","date_gmt":"2025-10-10T15:05:35","guid":{"rendered":"https:\/\/kepner-tregoe.com\/blogs\/beyond-5-whys-problem-solving-skills-for-real-life\/"},"modified":"2025-10-21T08:03:19","modified_gmt":"2025-10-21T08:03:19","slug":"beyond-5-whys-problem-solving-skills-for-real-life","status":"publish","type":"post","link":"https:\/\/kepner-tregoe.com\/fr\/blogs\/beyond-5-whys-problem-solving-skills-for-real-life\/","title":{"rendered":"Au-del\u00e0 des 5 pourquoi: une le\u00e7on de r\u00e9solution de probl\u00e8me en 5 minutes"},"content":{"rendered":"\n<h2 class=\"wp-block-heading is-style-tagline\" id=\"h-when-the-coffee-maker-broke-problem-solving-skills-saved-the-day\">Quand la machine \u00e0 caf\u00e9 est \u00ab tomb\u00e9e en panne \u00bb, les comp\u00e9tences en r\u00e9solution de probl\u00e8mes ont sauv\u00e9 la soir\u00e9e.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les meilleures le\u00e7ons de d\u00e9pannage viennent souvent des frustrations du quotidien. Ce soir-l\u00e0, une simple envie de caf\u00e9 apr\u00e8s le d\u00eener s\u2019est transform\u00e9e en exercice pratique de diagnostic\u2026 sous pression !  <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-crisis\">La crise<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Samedi soir, 19h. Tout le monde avait fini de d\u00eener lorsque notre h\u00f4te lan\u00e7a : \u00ab Quelqu\u2019un veut du caf\u00e9 ? \u00bb Apr\u00e8s un repas copieux, l\u2019id\u00e9e semblait parfaite.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quelques minutes plus tard, toujours pas de caf\u00e9. Puis la terrible nouvelle : \u00ab D\u00e9sol\u00e9 tout le monde, la machine \u00e0 caf\u00e9 ne marche plus. \u00bb Chaque tentative de la rallumer faisait disjoncter le circuit.    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rapidement, les verdicts tomb\u00e8rent : \u00ab Elle est cass\u00e9e ! \u00bb Mais au lieu de c\u00e9der \u00e0 la frustration, mon ami \u2013 et quelques invit\u00e9s \u2013 ont appliqu\u00e9 une logique syst\u00e9matique, la m\u00eame que nous enseignons \u00e0 nos clients chez Kepner-Tregoe.  <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-whys-amp-problem-analysis\">Les 5 Pourquoi & l\u2019Analyse de Probl\u00e8mes KT<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019analyse de probl\u00e8mes Kepner-Tregoe aide \u00e0 identifier la cause d\u2019un \u00e9cart de performance <strong>en s\u2019appuyant sur des faits, pas des suppositions<\/strong>. Tout commence par une formulation claire du probl\u00e8me, dont la cause est encore inconnue.  <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-we-use-the-5-whys-technique-to-drill-down-through-symptom-layers\">Nous avons utilis\u00e9 la technique des 5 Pourquoi pour creuser chaque sympt\u00f4me jusqu\u2019\u00e0 atteindre le c\u0153ur du probl\u00e8me ..<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"514\" height=\"217\" src=\"https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/example-methode-5-pourquoi.jpg\" alt=\"M\u00e9thode des 5 Pourquoi pour formuler l\u2019\u00e9nonc\u00e9 du probl\u00e8me \u2013 la cause est-elle inconnue ?\" class=\"wp-image-63907\" srcset=\"https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/example-methode-5-pourquoi.jpg 514w, https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/example-methode-5-pourquoi-300x127.jpg 300w\" sizes=\"auto, (max-width: 514px) 100vw, 514px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Voici nos questions : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La machine \u00e0 caf\u00e9 ne s\u2019allume pas \u2013 pourquoi ?<\/li>\n\n\n\n<li>Le courant saute quand on essaie de l\u2019allumer \u2013 pourquoi ?<\/li>\n\n\n\n<li>Le circuit est surcharg\u00e9 \u2013 pourquoi ?<\/li>\n\n\n\n<li>Trop d\u2019appareils consomment de l\u2019\u00e9lectricit\u00e9 en m\u00eame temps \u2013 pourquoi ?<\/li>\n\n\n\n<li>\u00c0 ce stade, nous ne pouvions plus r\u00e9pondre par simple observation. <strong>C\u2019\u00e9tait notre v\u00e9ritable \u00e9nonc\u00e9 de probl\u00e8me : \u00ab Des appareils perdent de la puissance. \u00bb<\/strong> <\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"514\" height=\"217\" src=\"https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/exemple-pratique-methode-5-pourquoi.jpg\" alt=\"M\u00e9thode des 5 Pourquoi \u2013 exemple concret : la cafeti\u00e8re est en panne\" class=\"wp-image-63902\" srcset=\"https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/exemple-pratique-methode-5-pourquoi.jpg 514w, https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/exemple-pratique-methode-5-pourquoi-300x127.jpg 300w\" sizes=\"auto, (max-width: 514px) 100vw, 514px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-organizing-the-data-what-is-happening\">Organiser les donn\u00e9es : ce qui EST<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avec \u00ab Les appareils perdent de l\u2019alimentation \u00bb comme \u00e9nonc\u00e9 du probl\u00e8me, nous posons des questions pr\u00e9cises afin de structurer les faits. Ces donn\u00e9es constituent la partie \u00ab CE QUI EST \u00bb de la matrice d\u2019analyse de probl\u00e8me que nous verrons plus tard.  <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quels appareils perdent de la puissance ? \u2192 Machine \u00e0 caf\u00e9, t\u00e9l\u00e9vision, Google Home, enceinte Sonos<\/li>\n\n\n\n<li>O\u00f9 cela se produit-il ? \u2192 C\u00f4t\u00e9 gauche de la cuisine uniquement  <\/li>\n\n\n\n<li>Quand cela a-t-il commenc\u00e9 ? \u2192 Vers 16h, au moment de pr\u00e9parer le caf\u00e9  <\/li>\n\n\n\n<li>Quelle est l\u2019ampleur du probl\u00e8me ? \u2192 Quatre appareils touch\u00e9s, dans une seule zone <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-la-puissance-du-nbsp-n-est-pas\">La puissance du \u00ab\u00a0N\u2019EST PAS \u00bb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La cl\u00e9 d\u2019un bon diagnostic ne r\u00e9side pas seulement dans ce qui ne va pas, mais aussi dans ce qui fonctionne encore. C\u2019est en observant ce qui N\u2019EST PAS affect\u00e9 que l\u2019on \u00e9limine les fausses pistes et \u00e9vite les mauvaises d\u00e9cisions.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Questions compl\u00e9mentaires : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quels appareils similaires n\u2019ont PAS perdu de puissance ? \u2192 R\u00e9frig\u00e9rateur, four  <\/li>\n\n\n\n<li>O\u00f9 l\u2019alimentation fonctionne-t-elle normalement ? \u2192 C\u00f4t\u00e9 droit de la cuisine et le reste de la maison  <\/li>\n\n\n\n<li>Quand tout fonctionnait-il normalement ? \u2192 Le matin, avant 16h  <\/li>\n\n\n\n<li>Quelle ampleur aurait pu \u00eatre atteinte, mais ne l\u2019a pas \u00e9t\u00e9 ? \u2192 D\u2019autres pi\u00e8ces ou moins d\u2019appareils auraient pu \u00eatre touch\u00e9s  <\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"955\" height=\"695\" src=\"https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/exemple-kepner-tregoe-analyse-de-probleme-est-nest-pas.png\" alt=\"Exemple de la matrice d\u2019analyse de probl\u00e8me Kepner-Tregoe est n'est pas\" class=\"wp-image-63912\" srcset=\"https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/exemple-kepner-tregoe-analyse-de-probleme-est-nest-pas.png 955w, https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/exemple-kepner-tregoe-analyse-de-probleme-est-nest-pas-300x218.png 300w, https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/exemple-kepner-tregoe-analyse-de-probleme-est-nest-pas-768x559.png 768w\" sizes=\"auto, (max-width: 955px) 100vw, 955px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-breakthrough-test\">Le test d\u00e9cisif<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pour confirmer une hypoth\u00e8se, mon ami a d\u00e9plac\u00e9 la machine \u00e0 caf\u00e9 dans le salon. R\u00e9sultat : elle a fonctionn\u00e9 parfaitement. <strong>L\u2019emplacement faisait donc la diff\u00e9rence<\/strong>.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De nouvelles questions ont \u00e9merg\u00e9 : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Qu\u2019est-ce qui distingue la cuisine des autres pi\u00e8ces ? <\/li>\n\n\n\n<li>Pourquoi seul le c\u00f4t\u00e9 gauche est-il affect\u00e9 ?<\/li>\n\n\n\n<li>Qu\u2019est-ce qui a chang\u00e9 entre le matin et l\u2019apr\u00e8s-midi ?<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-answer\">La r\u00e9ponse<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tous les appareils d\u00e9faillants (cafeti\u00e8re, t\u00e9l\u00e9vision, Google Home, enceintes) <em>partageaient le m\u00eame disjoncteur.<\/em> Le r\u00e9frig\u00e9rateur et le four, eux, <em>\u00e9taient sur d\u2019autres circuits<\/em>.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Verdict : <\/strong>une surcharge du circuit, pas une panne d\u2019\u00e9quipement. <em>La cafeti\u00e8re n\u2019\u00e9tait pas d\u00e9fectueuse \u2013 elle n\u2019\u00e9tait simplement que le dernier maillon d\u2019un circuit d\u00e9j\u00e0 \u00e0 bout.<\/em> <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-fix\">La solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un simple remplacement du disjoncteur a suffi. Le probl\u00e8me n\u2019\u00e9tait pas la cafeti\u00e8re, mais le syst\u00e8me \u00e9lectrique.   <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-lesson\">Les points d\u2019enseignement<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cette petite aventure illustre comment des outils de r\u00e9solution de probl\u00e8mes peuvent transformer une crise domestique en le\u00e7on m\u00e9thodologique : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nous avons clarifi\u00e9 le v\u00e9ritable probl\u00e8me \u2013 ici, nous avons utilis\u00e9 la c\u00e9l\u00e8bre analyse des <a href=\"https:\/\/en.wikipedia.org\/wiki\/Five_whys\" target=\"_blank\" rel=\"noreferrer noopener\">5 Pourquoi<\/a> pour identifier le probl\u00e8me que nous cherchions r\u00e9ellement \u00e0 r\u00e9soudre.<\/li>\n\n\n\n<li>Comparer ce qui EST et ce qui N\u2019EST PAS affect\u00e9 en utilisant la m\u00e9thode d\u2019analyse de probl\u00e8me Kepner-Tregoe <\/li>\n\n\n\n<li>Utiliser ces donn\u00e9es pour identifier logiquement la cause et la solution.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pour des situations plus complexes, posez toujours la question : <em>\u00ab Si c\u2019est bien la cause, comment explique-t-elle \u00e0 la fois ce qui EST et ce qui N\u2019EST PAS ? \u00bb<\/em> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La prochaine fois qu\u2019un appareil \u00ab tombe en panne \u00bb, prenez une minute pour r\u00e9fl\u00e9chir avant de le remplacer. L\u2019\u00e9quipement n\u2019est peut-\u00eatre pas le probl\u00e8me \u2026 mais le messager d\u2019un dysfonctionnement plus profond.   <\/p>\n\n\n\n<div class=\"wp-block-wsfirst-responsive-spacer responsive-spacer\" aria-hidden=\"true\"><div class=\"responsive-spacer-fullsize\" style=\"height:2.25rem\"><\/div><div class=\"responsive-spacer-tablet\" style=\"height:1.75rem\"><\/div><div class=\"responsive-spacer-mobile\" style=\"height:1.25rem\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/kepner-tregoe.com\/wp-content\/uploads\/2025\/10\/beyond-5-whys-five-minute-problem-solving-lesson.pdf\">Download pdf<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-wsfirst-responsive-spacer responsive-spacer\" aria-hidden=\"true\"><div class=\"responsive-spacer-fullsize\" style=\"height:1.3125rem\"><\/div><div class=\"responsive-spacer-tablet\" style=\"height:1.3125rem\"><\/div><div class=\"responsive-spacer-mobile\" style=\"height:1.25rem\"><\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">En apprendre plus sur <a href=\"https:\/\/kepner-tregoe.com\/blogs\/how-5-whys-and-fishbone-diagrams-relate-to-kt-problem-analysis\/\">le lien entre les 5 Pourquoi, l\u2019Ishikawa et l\u2019analyse de probl\u00e8mes Kepner-Tregoe<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Am\u00e9liorer vos comp\u00e9tences en r\u00e9solution de probl\u00e8mes en suivant une <a href=\"https:\/\/kepner-tregoe.com\/training\/root-cause-analysis\/\">formation RCA<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quand la machine \u00e0 caf\u00e9 est \u00ab tomb\u00e9e en panne \u00bb, les comp\u00e9tences en r\u00e9solution de probl\u00e8mes ont sauv\u00e9 la soir\u00e9e. Les meilleures le\u00e7ons de d\u00e9pannage viennent souvent des frustrations du quotidien. Ce soir-l\u00e0, une simple envie de caf\u00e9 apr\u00e8s le d\u00eener s\u2019est transform\u00e9e en exercice pratique de diagnostic\u2026 sous pression ! La crise Samedi [&hellip;]<\/p>\n","protected":false},"author":40,"featured_media":62988,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[235,238],"tags":[],"ppma_author":[115],"class_list":["post-63921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-methodes-kt","category-resolution-de-problemes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Au-del\u00e0 des 5 pourquoi: une le\u00e7on de r\u00e9solution de probl\u00e8me en 5 minutes - Kepner-Tregoe<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment une cafeti\u00e8re \u00ab en panne \u00bb est devenue une le\u00e7on express de r\u00e9solution de probl\u00e8mes \u2013 avec les 5 Pourquoi, de la logique et une dose de caf\u00e9ine ! 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