{"id":1925,"date":"2012-10-12T14:46:51","date_gmt":"2012-10-12T12:46:51","guid":{"rendered":"http:\/\/egroup.be\/?p=1925"},"modified":"2019-07-10T16:10:48","modified_gmt":"2019-07-10T14:10:48","slug":"quel-roi-ergonomie","status":"publish","type":"post","link":"https:\/\/egroup.be\/fr\/quel-roi-ergonomie\/","title":{"rendered":"Quel ROI pour l\u2019ergonomie?"},"content":{"rendered":"<p><strong>Le Retour sur investissement (ROI) de l\u2019ergonomie est l\u2019un des plus \u00e9lev\u00e9s du secteur des services!<\/strong><\/p>\n<p>Les <strong>experts<\/strong> s\u2019accordent \u00e0 dire que pour <strong>1\u20ac investi<\/strong> en analyses ergonomiques, de <strong>10 \u00e0 100 \u20ac sont \u00e9conomis\u00e9s<\/strong> (ou gagn\u00e9s) par la soci\u00e9t\u00e9.<br \/>\nAinsi si vous <strong>investissez 1000\u20ac en analyses<\/strong> au cours du d\u00e9veloppement de votre produit, les r\u00e9sultats obtenus pourraient vous faire <strong>\u00e9conomiser (ou gagner) jusqu\u2019\u00e0 100.000\u20ac!<\/strong><\/p>\n<p><!--more--><\/p>\n<p>A ce stade de la lecture vous vous demandez sans doute comment une analyse pourrait vous rapporter autant de d\u2019argent.<\/p>\n<p><strong>Quelques exemples<\/strong> pourront nous aider \u00e0 pointer quelques <strong>b\u00e9n\u00e9fices<\/strong> qui pourront \u00eatre r\u00e9alis\u00e9s gr\u00e2ce \u00e0 une <strong>meilleure connaissance de vos utilisateurs<\/strong>, de leurs besoins et de leurs comportements exacts.<\/p>\n<h3><strong>Exemples de ROI li\u00e9s \u00e0 des analyses ergonomiques:<\/strong><\/h3>\n<p>En 1991, <strong>IBM:<\/strong> a r\u00e9alis\u00e9 une \u00e9tude d\u2019utilisabilit\u00e9 qui a permit une diminution moyenne de 9,6 minutes par t\u00e2ches r\u00e9alis\u00e9es sur les projets internes. <strong>R\u00e9sultat:<\/strong> une r\u00e9duction des co\u00fbts \u00e9gale \u00e0 6.8 millions de $. [Karat 1991].<\/p>\n<p>En 1998, <strong>IBM:<\/strong> a revu une partie du design de ses sites internet selon des crit\u00e8res ergonomiques.<br \/>\n<strong>R\u00e9sultat:<\/strong> le trafic a augment\u00e9 de 120% sur le site de e-commerce ShopIBM, et les ventes ont augment\u00e9&#8230; de 400%.<\/p>\n<p>Les changements r\u00e9alis\u00e9s apr\u00e8s une analyse d\u2019utilisabilit\u00e9 d\u2019un projet au sein d\u2019<strong>American Express<\/strong> ont engendr\u00e9 une \u00e9conomie estim\u00e9e \u00e0 45 millions de $ [Chalupnik and Rinehart 1992].<\/p>\n<p>La soci\u00e9t\u00e9 <strong>AmeriTech<\/strong> a fait optimiser les \u00e9crans de l\u2019application utilis\u00e9s par les assistants de direction.<br \/>\n<strong>R\u00e9sultat:<\/strong> r\u00e9duction de 600 ms du temps moyen de traitement d\u2019un appel.<br \/>\n<strong>Gains:<\/strong> 2,94 millions de $ \/ an.<\/p>\n<h3><\/h3>\n<h3><strong>Un cas pratique d\u2019ERGOLABS group:<\/strong><\/h3>\n<p>Nous vous exposons ici l\u2019\u00e9tude de cas d\u2019un projet que nous avons r\u00e9alis\u00e9 pour une soci\u00e9t\u00e9 de traduction implant\u00e9e \u00e0 Bruxelles : Virtual Words.<\/p>\n<p>Nous avons proc\u00e9d\u00e9 \u00e0 l\u2019analyse d\u2019utilisabilit\u00e9 de leur application de gestion de fournisseurs (traducteurs). Des modifications ont \u00e9t\u00e9 effectu\u00e9es conform\u00e9ment au dossier de recommandations fourni.<\/p>\n<p><strong>R\u00e9sultat:<\/strong> r\u00e9duction d\u2019environ 20% du temps moyen de traitement d\u2019une requ\u00eate.<br \/>\n<strong>Gains totaux:<\/strong> entre 16500 \u20ac et 26.500 \u20ac<\/p>\n<p>Voyons en d\u00e9tail comment les b\u00e9n\u00e9fices engendr\u00e9s peuvent \u00eatre calcul\u00e9s.<\/p>\n<p>Les op\u00e9rateurs (5) travaillant avec l\u2019application effectuent, par jour, une moyenne de 30 requ\u00eates prenant chacune 5 minutes.<\/p>\n<p>Nous obtenons le calcul suivant:<br \/>\n<em>5 (op\u00e9rateurs) x 30 (requ\u00eates) x 5 (min.) x 200 (jours) = 2500 h de travail par an (150.000 min).<\/em><\/p>\n<p>Si on consid\u00e8re le co\u00fbt moyen d\u2019un employ\u00e9 de 20\u20ac\/h, voici l\u2019estimation des d\u00e9penses dues \u00e0 l\u2019utilisation de l\u2019application: <em>2500 h x 20\u20ac = 50.000\u20ac<\/em><\/p>\n<p>Apr\u00e8s de <strong>nouvelles mesures<\/strong>, nous observons qu\u2019en moyenne, une <strong>\u00e9conomie d\u2019une minute<\/strong> est r\u00e9alis\u00e9e <strong>par requ\u00eate.<\/strong><br \/>\nAvec ces nouveaux chiffres, le r\u00e9sultat est le suivant:<br \/>\n<em>5 (op\u00e9rateurs) x 30 (requ\u00eates) x 4 (min.) x 200 (jours) = 2000 h de travail par an.<br \/>\n2000 h x 20\u20ac = 40.000\u20ac<\/em><\/p>\n<p>50.000\u20ac<br \/>\n<span style=\"text-decoration: underline;\">-40.000\u20ac<\/span><br \/>\n= 10.000\u20ac d\u2019\u00e9conomie<\/p>\n<p>Co\u00fbt des analyses: 2000\u20ac<br \/>\nCo\u00fbt des modifications: 1500\u20ac<br \/>\nTotal: 3500\u20ac<\/p>\n<p><strong>Gain la premi\u00e8re ann\u00e9e:<\/strong> 10.000\u20ac &#8211; 3500\u20ac = 6500\u20ac<br \/>\n<strong>Gains les ann\u00e9es suivantes:<\/strong> 10.000\u20ac<\/p>\n<p>Si on consid\u00e8re que ce type d\u2019outils de gestion \u00e0 une <strong>dur\u00e9e de vie minimum de 2 \u00e0 3 ann\u00e9es<\/strong>, le total des <strong>gains<\/strong> de cette soci\u00e9t\u00e9 devrait se situer entre <strong>16500\u20ac et 26.500\u20ac<\/strong> pour un investissement de base de 3500\u20ac! Ce qui repr\u00e9sente un ROI de 400 \u00e0 700% !<\/p>\n<p>Imaginez quel serait ce gain pour une soci\u00e9t\u00e9 comptant <strong>15 op\u00e9rateurs.<\/strong><br \/>\nPour un investissement de d\u00e9part quasiment identique, le total des gains (sur 3 ans) se situerait entre <strong>45.000 et 145.000\u20ac!<\/strong><\/p>\n<p>En outre, les mesures de rentabilit\u00e9 pr\u00e9sent\u00e9e ci-dessus ne concernent qu\u2019un des aspects que peut rev\u00eatir le ROI d\u2019une analyse ergonomique : l\u2019\u00e9conomie de temps.<\/p>\n<p><strong>Mais de nombreux b\u00e9n\u00e9fices peuvent venir s\u2019ajouter: <\/strong><br \/>\n&gt; augmentation de la productivit\u00e9;<br \/>\n&gt; augmentation des ventes;<br \/>\n&gt; comp\u00e9titivit\u00e9 accrue;<br \/>\n&gt; satisfaction des clients en hausse;<br \/>\n&gt; diminution des co\u00fbts de formation;<br \/>\n&gt; etc.<\/p>\n<h3><\/h3>\n<h3>Conclusion:<\/h3>\n<p>Les <strong>analyses ergonomiques<\/strong> visent une meilleure <strong>compr\u00e9hension des utilisateurs finaux<\/strong> de vos produits. Et c\u2019est pour cette simple raison qu\u2019<strong>elles sont efficaces!<\/strong><\/p>\n<p>En vous focalisant sur les <strong>caract\u00e9ristiques ergonomiques de base<\/strong> \u00e0 appliquer \u00e0 vos produits ou en analysant plus pr\u00e9cis\u00e9ment les <strong>besoins exacts de vos utilisateurs,<\/strong> vous disposez d\u2019<strong>informations cruciales<\/strong> pour la r\u00e9ussite de vos projets.<\/p>\n<p>Quelles que soient les <strong>analyses effectu\u00e9es<\/strong> (\u00e9valuation experte, tri de carte, prototypage papier, analyses avec utilisateurs, U-Lab, etc.), celles-ci n\u2019entra\u00eenent qu\u2019un <strong>investissement limit\u00e9<\/strong> par rapport aux <strong>b\u00e9n\u00e9fices colossaux<\/strong> qui peuvent \u00eatre r\u00e9alis\u00e9s.<\/p>\n<p><em><strong>Replacez l\u2019utilisateur l\u00e0 o\u00f9 il devrait toujours \u00eatre : au centre des d\u00e9veloppements qui lui sont destin\u00e9s!<\/strong><\/em><\/p>\n<hr>\n<p><strong>Sources<\/strong><\/p>\n<p>[1] Professional usability testing an return on investment as it applies to user interface design for web-based products and services. Mauro C, L., 2002<\/p>\n<hr>\n<h3>Plus d&#8217;informations ?<\/h3>\n<p><strong>Vous \u00eates charg\u00e9 d\u2019un projet pour lequel l\u2019ergonomie est une valeur ajout\u00e9e ? <\/strong> <a href=\"http:\/\/egroup.be\/fr\/#contact\">Contactez-nous pour un entretien d&#8217;information et\/ou pour b\u00e9n\u00e9ficier de nos services.<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Le Retour sur investissement (ROI) de l\u2019ergonomie est l\u2019un des plus \u00e9lev\u00e9s du secteur des services! Les experts s\u2019accordent \u00e0 dire que pour 1\u20ac investi en analyses ergonomiques, de 10 \u00e0 100 \u20ac sont \u00e9conomis\u00e9s (ou gagn\u00e9s) par la soci\u00e9t\u00e9. Ainsi si vous investissez 1000\u20ac en analyses au cours du d\u00e9veloppement de votre produit, les [&hellip;]<\/p>","protected":false},"author":3,"featured_media":3245,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_vp_format_video_url":"","_vp_image_focal_point":[],"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[7,2],"tags":[],"class_list":["post-1925","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quel ROI pour l\u2019ergonomie? - ergolabs group - UX \/ UI agency \/ usability<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/egroup.be\/fr\/quel-roi-ergonomie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quel ROI pour l\u2019ergonomie? - ergolabs group - UX \/ UI agency \/ usability\" \/>\n<meta property=\"og:description\" content=\"Le Retour sur investissement (ROI) de l\u2019ergonomie est l\u2019un des plus \u00e9lev\u00e9s du secteur des services! 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