{"id":16967,"date":"2022-08-16T15:42:34","date_gmt":"2022-08-16T13:42:34","guid":{"rendered":"https:\/\/parm.com\/effort-estimation-in-project-management\/"},"modified":"2026-09-28T07:55:51","modified_gmt":"2026-09-28T05:55:51","slug":"effort-estimation-in-project-management-4","status":"publish","type":"post","link":"https:\/\/parm.com\/fr\/effort-estimation-in-project-management-4\/","title":{"rendered":"Estimation de la charge de travail dans la gestion de projet"},"content":{"rendered":"\n<div class=\"et_pb_section_0 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_0 et_pb_row et_block_row\"><div class=\"et_pb_column_0 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><h1>Estimation de la charge de travail dans la gestion de projet<\/h1>\n<p><span style=\"font-size: large;\">M\u00e9thodes d'estimation de l'effort<br \/><\/span><\/p>\n<\/div><\/div><\/div><\/div><div class=\"et_pb_row_1 et_pb_row et_block_row\"><div class=\"et_pb_column_1 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_image_0 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/parm.com\/wp-content\/uploads\/2023\/07\/Post_effort_estimation_FR.jpg\" alt=\"Estimation de l&#039;effort en gestion de projet\" title=\"Post_Estimation d&#039;effort\" width=\"2500\" height=\"1313\" srcset=\"https:\/\/parm.com\/wp-content\/uploads\/2023\/07\/Post_effort_estimation_FR.jpg 2500w, https:\/\/parm.com\/wp-content\/uploads\/2023\/07\/Post_effort_estimation_FR-1280x672.jpg 1280w, https:\/\/parm.com\/wp-content\/uploads\/2023\/07\/Post_effort_estimation_FR-980x515.jpg 980w, https:\/\/parm.com\/wp-content\/uploads\/2023\/07\/Post_effort_estimation_FR-480x252.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2500px, 100vw\" class=\"wp-image-14455\" \/><\/span><\/div><\/div><\/div><div class=\"et_pb_row_2 et_pb_row et_pb_equal_columns et_block_row\"><div class=\"et_pb_column_2 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_1 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p>L'estimation de l'effort est probablement l'une des t\u00e2ches les plus courantes d'un chef de projet, mais ce n'est pas l'une des plus faciles. En raison de nombreuses incertitudes, il est difficile de dire combien d'effort sera n\u00e9cessaire pour une t\u00e2che, et cela se r\u00e9v\u00e8le souvent diff\u00e9rent de ce qui \u00e9tait pr\u00e9vu. Des exemples bien connus de mauvaise estimation de l'effort sont la Philharmonie de l'Elbe \u00e0 Hambourg ou l'a\u00e9roport BER de Berlin. Alors que l'estimation peut encore \u00eatre relativement pr\u00e9cise pour des projets similaires, la situation est compl\u00e8tement diff\u00e9rente pour des projets de nature nouvelle. Cependant, les erreurs de calcul ne sont pas seulement dangereuses pour les grands projets, mais peuvent \u00e9galement entra\u00eener l'\u00e9chec de petits projets.    <\/p>\n<\/div><\/div><\/div><\/div><div class=\"et_pb_row_3 et_pb_row et_block_row\"><div class=\"et_pb_column_3 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_2 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/parm.com\/fr\/effort-estimation-in-project-management-4\/#Quest-ce_quune_estimation_de_leffort\" >Qu&rsquo;est-ce qu&rsquo;une estimation de l&rsquo;effort ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/parm.com\/fr\/effort-estimation-in-project-management-4\/#Pourquoi_les_estimations_de_leffort_sont-elles_necessaires\" >Pourquoi les estimations de l&rsquo;effort sont-elles n\u00e9cessaires ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/parm.com\/fr\/effort-estimation-in-project-management-4\/#Methodes_destimation\" >M\u00e9thodes d&rsquo;estimation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/parm.com\/fr\/effort-estimation-in-project-management-4\/#Selection_de_la_methode_destimation_appropriee\" >S\u00e9lection de la m\u00e9thode d&rsquo;estimation appropri\u00e9e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/parm.com\/fr\/effort-estimation-in-project-management-4\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Quest-ce_quune_estimation_de_leffort\"><\/span>Qu&rsquo;est-ce qu&rsquo;une estimation de l&rsquo;effort ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Une estimation de l'effort est utilis\u00e9e pour d\u00e9terminer l'effort probable d'un projet. Elle permet \u00e9galement d'\u00e9valuer la <a href=\"https:\/\/parm.com\/projektmanagement-abc-f-wie-feasibility-study\/\" target=\"_blank\" rel=\"noopener\" title=\"ABC de la gestion de projet : \u00e9tude de faisabilit\u00e9\">faisabilit\u00e9<\/a> d'un projet et de prendre une d\u00e9cision pour ou contre celui-ci. Les parties importantes de cette estimation incluent la planification de la capacit\u00e9, des ressources, du temps et des co\u00fbts. Une proc\u00e9dure d'estimation de l'effort doit \u00eatre simple \u00e0 r\u00e9aliser, conviviale et aussi pr\u00e9cise que possible.   <\/p>\n<\/div><\/div><div class=\"et_pb_text_3 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><h2><span class=\"ez-toc-section\" id=\"Pourquoi_les_estimations_de_leffort_sont-elles_necessaires\"><\/span>Pourquoi les estimations de l&rsquo;effort sont-elles n\u00e9cessaires ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Les estimations de l'effort sont g\u00e9n\u00e9ralement impr\u00e9cises et peuvent \u00eatre tr\u00e8s d\u00e9fectueuses. N\u00e9anmoins, au moins une estimation approximative de l'effort est importante pour un projet, par exemple pour \u00e9tablir et demander un budget pour le projet, ainsi que pour d\u00e9finir un d\u00e9lai approximatif pour le projet. <\/p>\n<p>&nbsp;<\/p>\n<\/div><\/div><div class=\"et_pb_text_4 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p style=\"text-align: center;\"><em>&gt;&gt;Notre exp\u00e9rience montre qu'il est judicieux de r\u00e9aliser l'estimation de l'effort uniquement jusqu'\u00e0 un certain niveau de d\u00e9tail, mais de la revoir et de l'ajuster r\u00e9guli\u00e8rement.&lt;&lt;<\/em><\/p>\n<p style=\"text-align: right;\"><span style=\"font-size: medium;\">Walter Epple, Consultant Senior<\/span><\/p>\n<\/div><\/div><div class=\"et_pb_text_5 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><h2><span class=\"ez-toc-section\" id=\"Methodes_destimation\"><\/span>M\u00e9thodes d&rsquo;estimation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Pour obtenir l'estimation la plus pr\u00e9cise possible, diff\u00e9rentes m\u00e9thodes d'estimation peuvent \u00eatre utilis\u00e9es. Par exemple, les m\u00e9thodes d'estimation diff\u00e8rent en gestion de projet <a href=\"https:\/\/parm.com\/fr\/agile-methods\/\" target=\"_blank\" rel=\"noopener\" title=\"M\u00e9thodes agiles\">agile<\/a> et classique. Il est important que l'estimation de l'effort ne se fasse pas seulement au d\u00e9but d'un projet, mais qu'elle soit continuellement mise \u00e0 jour, car cela rend l'estimation de plus en plus pr\u00e9cise pour le d\u00e9roulement ult\u00e9rieur du projet.  <\/p>\n<p><strong>1. Approche descendante<\/strong> (<br \/>) Dans le cadre de l\u2019approche descendante, le donneur d\u2019ordre proc\u00e8de, au d\u00e9but d\u2019un projet, \u00e0 une estimation approximative sur laquelle l\u2019\u00e9quipe de projet doit s\u2019appuyer. Cette m\u00e9thode repose donc sur l\u2019exp\u00e9rience du donneur d\u2019ordre et est tr\u00e8s simple \u00e0 mettre en \u0153uvre. Toutefois, les estimations sont g\u00e9n\u00e9ralement tr\u00e8s impr\u00e9cises, car le donneur d\u2019ordre ne peut pas avoir une vue d\u2019ensemble de toutes les \u00e9tapes de travail n\u00e9cessaires.  <\/p>\n<p><strong>2. Approche ascendante<\/strong> (<br \/>) L'approche ascendante est plus complexe et plus pertinente que la m\u00e9thode descendante. Elle consiste \u00e0 \u00e9valuer chacune des \u00e9tapes de travail et \u00e0 d\u00e9terminer leur dur\u00e9e pr\u00e9visionnelle ainsi que les ressources n\u00e9cessaires. Cette m\u00e9thode est donc plus pr\u00e9cise. Toutefois, il peut arriver que les responsables pr\u00e9voient d\u2019embl\u00e9e des dur\u00e9es et des co\u00fbts un peu plus \u00e9lev\u00e9s que n\u00e9cessaire, ce qui peut entra\u00eener une estimation erron\u00e9e du projet.   <\/p>\n<p><strong>3. Estimation par un expert<\/strong><br \/>En tant que chef de projet, on ne ma\u00eetrise g\u00e9n\u00e9ralement pas tous les aspects li\u00e9s au projet avec le m\u00eame niveau d\u2019expertise. C\u2019est pourquoi il est possible de solliciter l\u2019estimation d\u2019une personne experte dans le domaine concern\u00e9, qui sera ainsi en mesure d\u2019\u00e9valuer correctement la charge de travail d\u2019une t\u00e2che.<br \/>Notre conseil : dans le cadre d\u2019une estimation par des experts, il est judicieux de consulter plusieurs experts, puis de calculer la moyenne de leurs estimations. Afin d\u2019am\u00e9liorer la qualit\u00e9 de l\u2019estimation, l\u2019un des experts devrait, dans la mesure du possible, participer au projet.<br \/>Voici d\u2019autres variantes de l\u2019estimation par des experts :  <\/p>\n<ul>\n<li><strong>Estimation en trois points PERT<\/strong><br \/>Cette m\u00e9thode consiste \u00e0 estimer, sur la base de l'exp\u00e9rience, trois valeurs : une valeur optimiste, une valeur pessimiste et une valeur probable. La valeur attendue est ensuite calcul\u00e9e \u00e0 partir de ces valeurs. Comme il s'agit d'une m\u00e9thode tr\u00e8s simple et rapide, elle est particuli\u00e8rement adapt\u00e9e aux premi\u00e8res phases d'un projet.  <\/li>\n<li><strong>M\u00e9thode Delphi<\/strong><br \/> La m\u00e9thode Delphi repose sur une approche ascendante. Elle implique cependant plusieurs experts pour l'estimation. Ces experts ne discutent pas du sujet au pr\u00e9alable et soumettent leurs estimations anonymement. Si les r\u00e9sultats divergent sensiblement, ils en discutent afin de parvenir \u00e0 un consensus. Les r\u00e9sultats sont ensuite \u00e9valu\u00e9s et discut\u00e9s \u00e0 nouveau. De cette mani\u00e8re, l'estimation est relativement pr\u00e9cise, mais elle requiert la participation de plusieurs experts sur une p\u00e9riode plus longue.     <\/li>\n<li><strong>Poker de planification<\/strong><br \/> Le Planning Poker est similaire \u00e0 la m\u00e9thode Delphi. Les experts soumettent des estimations anonymes. Cependant, si ces estimations divergent significativement, aucune discussion n'a lieu. Les experts ayant fourni les estimations les plus \u00e9lev\u00e9es et les plus basses expliquent alors leurs choix respectifs. Ensuite, tous les experts soumettent de nouvelles estimations jusqu'\u00e0 ce qu'un consensus soit atteint.    <\/li>\n<\/ul>\n<p><strong>4. M\u00e9thode par analogie<\/strong><br \/>La m\u00e9thode par analogie consiste \u00e0 estimer les charges \u00e0 partir de projets similaires d\u00e9j\u00e0 men\u00e9s \u00e0 bien.<br \/>Une variante de cette m\u00e9thode est la <strong>m\u00e9thode relationnelle<\/strong>:<br \/>La m\u00e9thode relationnelle repose elle aussi sur des donn\u00e9es empiriques issues de projets similaires. Toutefois, elle d\u00e9finit en outre des lignes directrices et des facteurs fixes qui sont \u00e9galement pris en compte dans le calcul. Il s\u2019agit par exemple d\u2019exigences sp\u00e9cifiques li\u00e9es \u00e0 un produit ou de l\u2019exp\u00e9rience des collaborateurs.  <\/p>\n<p><strong>5. M\u00e9thode de multiplication<\/strong><br \/> La m\u00e9thode de multiplication consiste \u00e0 cr\u00e9er des lots de t\u00e2ches qui sont ex\u00e9cut\u00e9es plusieurs fois. L'effort total est ensuite d\u00e9termin\u00e9 en multipliant le nombre de lots par leur effort estim\u00e9. Par cons\u00e9quent, cette m\u00e9thode est particuli\u00e8rement adapt\u00e9e lorsque des t\u00e2ches individuelles au sein d'un projet sont fr\u00e9quemment r\u00e9p\u00e9t\u00e9es.  <\/p>\n<p><strong>6. M\u00e9thode de pond\u00e9ration<\/strong><br \/>Cette m\u00e9thode permet de d\u00e9terminer quels facteurs ont quelle influence sur un projet. Les diff\u00e9rentes pond\u00e9rations permettent ensuite de calculer l'effort total. <\/p>\n<p><strong>7. M\u00e9thode des pourcentages<\/strong><br \/> La m\u00e9thode du pourcentage utilise l'effort r\u00e9ellement d\u00e9ploy\u00e9 pour un projet en cours comme base de calcul pour les phases suivantes. On peut \u00e9galement utiliser l'effort estim\u00e9 pour une phase du projet par une autre m\u00e9thode. Cette m\u00e9thode est donc applicable d\u00e8s les premi\u00e8res \u00e9tapes.  <\/p>\n<p><strong>8. M\u00e9thodes d'estimation algorithmiques<\/strong><br \/>Les m\u00e9thodes d'estimation algorithmiques ne sont souvent utilis\u00e9es qu'aux phases avanc\u00e9es des projets, car leur application n\u00e9cessite une connaissance approfondie du projet. Parmi ces m\u00e9thodes, on trouve : <\/p>\n<ul>\n<li>Point de fonction<\/li>\n<li>Point de donn\u00e9es<\/li>\n<li>Point d'objet<\/li>\n<li>Cocomo (Mod\u00e8le de co\u00fbt constructif)<\/li>\n<\/ul>\n<h2><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Selection_de_la_methode_destimation_appropriee\"><\/span>S\u00e9lection de la m\u00e9thode d&rsquo;estimation appropri\u00e9e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Le choix de la m\u00e9thode d'estimation utilis\u00e9e d\u00e9pend d'une part de l'avancement actuel du projet, mais aussi du temps disponible ainsi que des experts disponibles. Par cons\u00e9quent, le choix d'une m\u00e9thode d'estimation appropri\u00e9e doit toujours \u00eatre fait individuellement. Pour des estimations approximatives et pr\u00e9liminaires, les m\u00e9thodes d'analogie, de relation et de pourcentage sont appropri\u00e9es. Les m\u00e9thodes de pond\u00e9ration et de multiplication sont, en revanche, plus appropri\u00e9es si les facteurs influen\u00e7ant un projet sont pr\u00e9cis\u00e9ment connus. Si des experts comp\u00e9tents sont disponibles, une estimation d'expert peut \u00eatre r\u00e9alis\u00e9e \u00e0 tout moment. Selon la m\u00e9thode utilis\u00e9e, cependant, il est plus long \u00e0 mettre en \u0153uvre. Les m\u00e9thodes algorithmiques sont particuli\u00e8rement appropri\u00e9es dans les phases ult\u00e9rieures du projet, car elles n\u00e9cessitent des connaissances d\u00e9taill\u00e9es.      <\/p>\n<\/div><\/div><\/div><\/div><div class=\"et_pb_row_4 et_pb_row et_block_row\"><div class=\"et_pb_column_4 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_6 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Les estimations de l'effort sont chronophages, souvent impr\u00e9cises et d\u00e9pendent en grande partie de l'exp\u00e9rience. N\u00e9anmoins, elles sont n\u00e9cessaires pour estimer au moins approximativement la complexit\u00e9 d'un projet et le temps n\u00e9cessaire \u00e0 sa r\u00e9alisation. De cette mani\u00e8re, il est \u00e9galement possible de v\u00e9rifier pendant la mise en \u0153uvre du projet si les t\u00e2ches seront achev\u00e9es selon le plan ou si le projet d\u00e9passera l'effort pr\u00e9vu.  <\/p>\n<\/div><\/div><\/div><\/div><div class=\"et_pb_row_5 et_pb_row et_block_row\"><div class=\"et_pb_column_5 et_pb_column et_pb_column_1_2 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_7 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p>Un logiciel de gestion de projet permet de suivre toutes les t\u00e2ches d'un projet, que vous planifiez de mani\u00e8re classique avec un diagramme de Gantt ou que vous utilisiez un tableau Kanban. Vous pouvez attribuer un effort planifi\u00e9 \u00e0 ces t\u00e2ches et enregistrer les efforts d\u00e9j\u00e0 fournis pendant la mise en \u0153uvre du projet. Avec <a href=\"https:\/\/parm.com\/fr\/the-most-important-reports-in-project-management-for-a-comprehensive-overview-5\/\" target=\"_blank\" rel=\"noopener\" title=\"Les rapports essentiels dans la gestion de projet\">Comparaison entre les projections et les r\u00e9alisations<\/a> ou une <a href=\"https:\/\/parm.com\/projektmanagement-abc-e-wie-earned-value-analyse\/\" target=\"_blank\" rel=\"noopener\" title=\"Analyse de la Valeur Acquise\">analyse de la valeur acquise,<\/a> vous pouvez rapidement d\u00e9terminer si l'effort pr\u00e9vu a \u00e9t\u00e9 d\u00e9pass\u00e9 et ainsi faire une pr\u00e9vision sur le d\u00e9roulement ult\u00e9rieur du projet. Cela rend vos estimations plus pr\u00e9cises pendant la mise en \u0153uvre du projet.   <\/p>\n<\/div><\/div><\/div><div class=\"et_pb_column_6 et_pb_column et_pb_column_1_2 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_8 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p>En savoir plus sur le logiciel de gestion de projet myPARM :<\/p>\n<\/div><\/div><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_0_wrapper preset--group--divi-button--divi-button--hi917qs--default_wrapper preset--module--divi-button--default_wrapper\"><a class=\"et_pb_button_0 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module preset--group--divi-button--divi-button--hi917qs--default preset--module--divi-button--default\" href=\"https:\/\/parm.com\/fr\/myparm\/\">En savoir plus sur myPARM<\/a><\/div><div class=\"et_pb_text_9 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module preset--module--divi-text--default\"><div class=\"et_pb_text_inner\"><p>Vous souhaitez d\u00e9couvrir myPARM lors d'une d\u00e9monstration ? 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Please check the fields and try again.\";\n\n\n\n\n  window.translation = {\n    common: {\n      selectedList: '{quantity} Liste ausgew\u00e4hlt',\n      selectedLists: '{quantity} Listen ausgew\u00e4hlt'\n    }\n  };\n\n  var AUTOHIDE = Boolean(0);\n<\/script>\n<script src=\"https:\/\/sibforms.com\/forms\/end-form\/build\/main.js\"><\/script>\n\n<script src=\"https:\/\/www.google.com\/recaptcha\/api.js?hl=de\"><\/script>\n\n<!-- END - We recommend to place the above code in footer or bottom of your website html  -->\n<!-- End Sendinblue Form --><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;estimation de l&rsquo;effort est une t\u00e2che difficile car, gr\u00e2ce \u00e0 de nombreuses incertitudes, un projet ou une t\u00e2che se d\u00e9veloppe souvent diff\u00e9remment que pr\u00e9vu. Cependant, des erreurs grossi\u00e8res peuvent rapidement entra\u00eener l&rsquo;\u00e9chec de projets. Lisez le dernier article de Parm AG pour d\u00e9couvrir pourquoi l&rsquo;estimation de l&rsquo;effort est toujours importante pour les projets et quelles m\u00e9thodes peuvent vous aider.  <\/p>\n","protected":false},"author":1,"featured_media":14455,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[701],"tags":[298,297,254],"class_list":["post-16967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gestion-projet","tag-parkinson","tag-parkinsonsches-gesetz","tag-zeitmanagement"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Estimation de la charge de travail dans la gestion de projet | Parm AG<\/title>\n<meta name=\"description\" content=\"Les estimations de l&#039;effort sont importantes pour la gestion de projet, bien qu&#039;elles soient souvent impr\u00e9cises. 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Lisez le dernier article de Parm AG pour d\u00e9couvrir pourquoi l&#039;estimation de l&#039;effort est toujours importante pour les projets et quelles m\u00e9thodes peuvent vous aider.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/parm.com\/fr\/effort-estimation-in-project-management-4\/\" \/>\n<meta property=\"og:site_name\" content=\"Parm AG\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/myparm\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-16T13:42:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-28T05:55:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/parm.com\/wp-content\/uploads\/2023\/07\/Post_effort_estimation_FR.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2500\" \/>\n\t<meta property=\"og:image:height\" content=\"1313\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Natascha Schleutker\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Estimation de la charge de travail dans la gestion de projet\" \/>\n<meta name=\"twitter:description\" content=\"L&#039;estimation de l&#039;effort est une t\u00e2che difficile car, gr\u00e2ce \u00e0 de nombreuses incertitudes, un projet ou une t\u00e2che se d\u00e9veloppe souvent diff\u00e9remment que pr\u00e9vu. 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