{"id":10850,"date":"2026-03-05T22:46:44","date_gmt":"2026-03-05T14:46:44","guid":{"rendered":"https:\/\/www.archimetric.com\/fr\/how-to-write-good-user-stories-in-scrum-3cs-invest\/"},"modified":"2026-03-05T22:46:44","modified_gmt":"2026-03-05T14:46:44","slug":"how-to-write-good-user-stories-in-scrum-3cs-invest","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/fr\/how-to-write-good-user-stories-in-scrum-3cs-invest\/","title":{"rendered":"Comment r\u00e9diger de bonnes histoires d&#8217;utilisateur dans Scrum"},"content":{"rendered":"<p>Environ 70 % des projets technologiques \u00e9chouent. Pendant des d\u00e9cennies, on a largement cru que les projets \u00e9chouaient parce qu&#8217;ils ne suivaient pas les meilleures pratiques ou parce que l&#8217;\u00e9quipe manquait de toutes les comp\u00e9tences n\u00e9cessaires. Toutefois, l&#8217;adoption des meilleures pratiques, des comp\u00e9tences et des comp\u00e9tences cl\u00e9s s&#8217;est am\u00e9lior\u00e9e au fil des d\u00e9cennies \u2014 alors pourquoi les projets \u00e9chouent-ils encore ?<\/p>\n<blockquote>\n<p>En tenant compte du fait que 70 % des projets logiciels \u00e9chouent en raison de mauvaises exigences. Le r\u00e9am\u00e9nagement estim\u00e9 li\u00e9 \u00e0 ces \u00e9checs d\u00e9passe 45 milliards de dollars par an.<\/p>\n<\/blockquote>\n<p><img alt=\"Do 70% of Your Projects Fail? (Part 1) \u2014 Pie\" class=\"alignnone size-full wp-image-6871\" decoding=\"async\" height=\"381\" loading=\"lazy\" sizes=\"auto, (max-width: 968px) 100vw, 968px\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/image-asset.png\" srcset=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/image-asset.png 968w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/image-asset-300x118.png 300w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/image-asset-768x302.png 768w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/image-asset-200x79.png 200w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/image-asset-400x157.png 400w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/image-asset-600x236.png 600w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/image-asset-800x315.png 800w\" width=\"968\"\/><\/p>\n<p>La question est \u2014 pourquoi cela se produit-il ? La r\u00e9ponse est double. Premi\u00e8rement, les exigences m\u00e9tier perdent souvent de vue le client ; deuxi\u00e8mement, les exigences manquent d&#8217;un cadre de r\u00e9f\u00e9rence global qui permet aux analystes d&#8217;exigences de piloter et de suivre les exigences depuis les besoins du client et la strat\u00e9gie jusqu&#8217;\u00e0 la solution mise en \u0153uvre.<\/p>\n<p>Pour r\u00e9diger de bonnes exigences ou des histoires d&#8217;utilisateur, suivez ces \u00e9tapes :<\/p>\n<ol>\n<li><strong>D\u00e9finissez autant de personnages que possible pour repr\u00e9senter les utilisateurs du syst\u00e8me.<\/strong> Cela vous aidera \u00e0 rester centr\u00e9 sur le client et \u00e0 piloter et suivre les exigences en fonction des besoins du client. Introduits par Alan Cooper, les personnages d\u00e9finissent des utilisateurs arch\u00e9typaux du syst\u00e8me \u2014 des exemples de personnes qui interagissent avec lui. Les utilisateurs n&#8217;ont pas besoin d&#8217;\u00eatre ou de repr\u00e9senter des individus. Un utilisateur peut \u00e9galement repr\u00e9senter une organisation.<\/li>\n<li><strong>Assurez-vous que vos histoires d&#8217;utilisateur suivent les \u00ab 3C \u00bb :<\/strong><\/li>\n<\/ol>\n<p><img alt=\"Minimum Viable Product Development - Define User Stories - PART 1 - Blog Systango\" class=\"alignnone size-full wp-image-6872\" decoding=\"async\" height=\"334\" loading=\"lazy\" sizes=\"auto, (max-width: 916px) 100vw, 916px\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user_stories.png\" srcset=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user_stories.png 916w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user_stories-300x109.png 300w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user_stories-768x280.png 768w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user_stories-200x73.png 200w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user_stories-400x146.png 400w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user_stories-600x219.png 600w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user_stories-800x292.png 800w\" width=\"916\"\/><\/p>\n<ul>\n<li><strong>Carte<\/strong> \u2014 Doit \u00eatre r\u00e9dig\u00e9e sur une carte de note ou un post-it<\/li>\n<li><strong>Conversation<\/strong> \u2014 Obtenir des informations d\u00e9taill\u00e9es aupr\u00e8s du propri\u00e9taire du produit<\/li>\n<li><strong>Confirmation<\/strong> \u2014 S&#8217;assurer qu&#8217;elle est correctement mise en \u0153uvre. Elle doit satisfaire aux crit\u00e8res d&#8217;acceptation de l&#8217;utilisateur.<\/li>\n<\/ul>\n<ol start=\"3\">\n<li><strong>Divisez les histoires d&#8217;utilisateur afin qu&#8217;elles soient de taille appropri\u00e9e pour s&#8217;int\u00e9grer dans un Sprint.<\/strong> Certaines fa\u00e7ons de diviser les histoires incluent :<\/li>\n<\/ol>\n<ul>\n<li>Diviser par \u00e9tapes du flux de travail<\/li>\n<li>Diviser par canaux d&#8217;entr\u00e9e\/sortie<\/li>\n<li>Diviser par options utilisateur<\/li>\n<li>Diviser par personnage\/r\u00f4le<\/li>\n<li>Diviser par plage de donn\u00e9es<\/li>\n<\/ul>\n<ol start=\"4\">\n<li><strong>Faites en sorte que chaque histoire d&#8217;utilisateur suive le mn\u00e9motechnique INVEST :<\/strong><\/li>\n<\/ol>\n<p><img alt=\"User stories: a comprehensive guide - Justinmind\" class=\"alignnone size-full wp-image-6873\" decoding=\"async\" height=\"400\" loading=\"lazy\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user-story-writing-invest-method.png\" srcset=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user-story-writing-invest-method.png 750w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user-story-writing-invest-method-300x160.png 300w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user-story-writing-invest-method-200x107.png 200w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user-story-writing-invest-method-400x213.png 400w, https:\/\/www.archimetric.com\/wp-content\/uploads\/2021\/11\/user-story-writing-invest-method-600x320.png 600w\" width=\"750\"\/><\/p>\n<p>L&#8217;agile<strong>mn\u00e9motechnique INVEST<\/strong>, cr\u00e9\u00e9 par Bill Wake, sert de guide pour garantir des \u00e9l\u00e9ments de backlog de produit de haute qualit\u00e9 (PBIs), g\u00e9n\u00e9ralement r\u00e9dig\u00e9s sous forme d&#8217;histoire utilisateur.<\/p>\n<ul>\n<li><strong>Ind\u00e9pendant<\/strong>: Les histoires doivent \u00eatre aussi ind\u00e9pendantes que possible.<\/li>\n<li><strong>N\u00e9gociable<\/strong>: Une histoire n&#8217;est pas un contrat. Une histoire est une invitation \u00e0 une conversation. L&#8217;histoire capture l&#8217;essence de ce qui est souhait\u00e9.<\/li>\n<li><strong>Valable<\/strong>: Si une histoire n&#8217;a pas de valeur \u00e9vidente, elle ne doit pas \u00eatre r\u00e9alis\u00e9e.<\/li>\n<li><strong>Estimable<\/strong>: Une histoire doit \u00eatre estimable ou dimensionn\u00e9e afin de pouvoir \u00eatre correctement prioris\u00e9e.<\/li>\n<li><strong>Petit<\/strong>: Pour une it\u00e9ration de deux semaines, les histoires utilisateur devraient avoir en moyenne entre 3 et 4 jours de travail \u2014 au total ! Cela inclut tout le travail n\u00e9cessaire pour ramener l&#8217;histoire \u00e0 un \u00e9tat \u00ab Termin\u00e9 \u00bb.<strong>Plus une histoire utilisateur est petite, plus la pr\u00e9cision de l&#8217;estimation est \u00e9lev\u00e9e !<\/strong><\/li>\n<li><strong>Testable<\/strong>: Chaque histoire doit \u00eatre testable pour \u00eatre consid\u00e9r\u00e9e comme \u00ab Termin\u00e9e \u00bb.<\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/write-user-story-smart-goals\/\">R\u00e9diger des objectifs SMART et INVEST pour les histoires utilisateur<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/theme-epic-user-story-task\/\">Th\u00e8me vs \u00c9pique vs Histoire utilisateur vs T\u00e2che<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/what-is-deep-in-agile-product-backlog\/\">Qu&#8217;est-ce que DEEP dans le Product Backlog ?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/how-to-write-scrum-product-vision\/\">Comment r\u00e9diger une vision produit pour un projet Scrum ?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/how-to-use-scrum-board-for-agile-development\/\">Comment utiliser un tableau Scrum pour le d\u00e9veloppement agile ?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/who-create-product-backlog-items-in-scrum\/\">Qui cr\u00e9e les \u00e9l\u00e9ments du Product Backlog ou les histoires utilisateur dans Scrum ?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/what-is-agile-estimation\/\">Qu&#8217;est-ce que l&#8217;estimation agile ?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/what-is-story-point-in-agile\/\">Qu&#8217;est-ce qu&#8217;un point d&#8217;histoire en agile ? Comment estimer les histoires utilisateur ?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/scrum\/user-story-splitting-vertical-slice-vs-horizontal-slice\/\">Division des histoires utilisateur \u2013 Tranche verticale vs tranche horizontale<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u7ea670%\u7684\u6280\u672f\u9879\u76ee\u5931\u8d25\u3002\u51e0\u5341\u5e74\u6765\uff0c\u4eba\u4eec\u666e\u904d\u8ba4\u4e3a\uff0c\u9879\u76ee\u4e4b\u6240\u4ee5\u5931\u8d25\uff0c\u662f\u56e0\u4e3a\u5b83\u4eec\u6ca1\u6709\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u4e5f\u6ca1\u6709\u56e2\u961f\u4e2d\u6240\u6709\u6b63\u786e\u7684\u6280\u80fd\u3002\u7136\u800c\uff0c\u6700\u4f73\u5b9e\u8df5\u3001\u6280\u80fd\u548c\u80fd\u529b\u7684\u91c7\u7528\u51e0\u5341\u5e74\u6765\u4e00\u76f4\u5728\u6539\u8fdb\u2014\u2014\u90a3\u4e48\u4e3a\u4ec0\u4e48\u9879\u76ee\u4ecd\u7136\u5931\u8d25\u5462\uff1f<\/p>\n","protected":false},"author":3479,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Comment r\u00e9diger de bonnes histoires utilisateur en Scrum : les 3Cs, INVEST, techniques de division et bonnes 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