{"id":12387,"date":"2023-01-19T11:00:10","date_gmt":"2023-01-19T10:00:10","guid":{"rendered":"https:\/\/sydologie.com\/?p=12387"},"modified":"2024-11-22T17:09:06","modified_gmt":"2024-11-22T16:09:06","slug":"ux-et-apprentissage-episode-2-la-loi-de-hick","status":"publish","type":"post","link":"https:\/\/sydo.fr\/sydologie\/2023\/01\/ux-et-apprentissage-episode-2-la-loi-de-hick\/","title":{"rendered":"UX et apprentissage &#8211; Episode 2 : La loi de Hick"},"content":{"rendered":"<p>La loi de Hick d\u00e9crit <strong>le temps qu&rsquo;il faut \u00e0 un utilisateur pour prendre une d\u00e9cision en fonction du nombre de choi<\/strong>x \u00e0 sa disposition. Pour simplifier : T = b log2(n + 1). Limpide, non ? Comment \u00e7a non ?!<br \/>\n&nbsp;<br \/>\nCela fait r\u00e9f\u00e9rence \u00e0 une \u00e9tude men\u00e9e par des chercheurs en psychologie exp\u00e9rimentale, Hick et Hyman, en 1951. Ils ont ainsi d\u00e9montr\u00e9 que l&rsquo;augmentation du nombre de choix propos\u00e9s \u00e0 un individu peut entra\u00eener une <strong>diminution de sa capacit\u00e9 \u00e0 prendre une d\u00e9cision et une satisfaction moins \u00e9lev\u00e9e<\/strong>.<br \/>\n&nbsp;<br \/>\nCette exp\u00e9rience consistait \u00e0 montrer des stimuli \u00e0 des participants et \u00e0 mesurer le temps qu&rsquo;ils mettaient pour prendre une d\u00e9cision. Les r\u00e9sultats ont montr\u00e9 que le temps de r\u00e9action augmentait avec le nombre de stimuli pr\u00e9sent\u00e9s. Cette exp\u00e9rience est souvent cit\u00e9e comme \u00e9tant l&rsquo;une des premi\u00e8res \u00e0 d\u00e9montrer l&rsquo;effet dit <strong>\u00ab\u00a0d&rsquo;\u00e9puisement de la d\u00e9cision\u00a0\u00bb ou \u00ab\u00a0paradoxe de la richesse des choix\u00a0\u00bb<\/strong>.<br \/>\n&nbsp;<br \/>\nOn observe ainsi que <strong>la multitude de choix offerts n\u2019est pas synonyme d\u2019efficacit\u00e9<\/strong>, car moins concluante. Un livre \u00e9crit par Barry Schwartz, <em>The Paradox of Choice \u2013 Why More Is Less<\/em>, avance notamment que r\u00e9duire les choix pourrait contribuer \u00e0 r\u00e9duire l\u2019anxi\u00e9t\u00e9 des consommateurs.<br \/>\n&nbsp;<br \/>\nCela ne s&rsquo;applique pas uniquement au domaine de la consommation : le principe est \u00e9galement <strong>particuli\u00e8rement pertinent pour un environnement d\u2019apprentissage.<\/strong> La loi de Hick explique que le temps d&rsquo;une prise de d\u00e9cision est directement proportionnel au nombre de choix propos\u00e9s.<br \/>\n&nbsp;<br \/>\nL\u2019id\u00e9e dans un e-learning est de <strong>lisser au maximum les possibilit\u00e9s<\/strong>, afin de r\u00e9duire cette charge cognitive et de permettre un choix, une prise de d\u00e9cision plus efficace. La loi de Hick peut donc \u00eatre appliqu\u00e9e sur des plateformes d\u2019apprentissage pour offrir une exp\u00e9rience optimale.<br \/>\n&nbsp;<br \/>\nPar exemple, il est plus judicieux de <strong>proposer des parcours d\u2019apprentissage personnalis\u00e9s et adaptatifs pour r\u00e9duire le nombre de choix<\/strong> \u00e0 chaque \u00e9tape. De m\u00eame, il est important de mettre en place une navigation intuitive et claire pour simplifier la prise de d\u00e9cision.<br \/>\n&nbsp;<br \/>\nVoici un <strong>exemple d\u2019\u00e9volution des interfaces du Web<\/strong> depuis quelques ann\u00e9es qui prennent en compte la loi de Hick :<br \/>\n&nbsp;<br \/>\n<img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"657\" src=\"https:\/\/i0.wp.com\/sydo.fr\/sydologie\/wp-content\/uploads\/2023\/01\/la-loi-de-hick.png?resize=900%2C657&#038;ssl=1\" alt=\"\" class=\"aligncenter size-full wp-image-12388\" srcset=\"https:\/\/i0.wp.com\/sydo.fr\/sydologie\/wp-content\/uploads\/2023\/01\/la-loi-de-hick.png?w=904&amp;ssl=1 904w, https:\/\/i0.wp.com\/sydo.fr\/sydologie\/wp-content\/uploads\/2023\/01\/la-loi-de-hick.png?resize=300%2C219&amp;ssl=1 300w, https:\/\/i0.wp.com\/sydo.fr\/sydologie\/wp-content\/uploads\/2023\/01\/la-loi-de-hick.png?resize=846%2C618&amp;ssl=1 846w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><br \/>\n&nbsp;<br \/>\n<em><a href=\"https:\/\/www.ergogames.fr\/principles\/hick\"target=\"blank\">https:\/\/www.ergogames.fr\/principles\/hick<\/a><\/em><br \/>\n&nbsp;<br \/>\nDans cet exemple, on observe qu\u2019il est pr\u00e9f\u00e9rable de <strong>mettre en place des menus <\/strong>afin de r\u00e9duire les choix de l\u2019utilisateur.<br \/>\n&nbsp;<br \/>\nOn peut aussi souligner <strong>l\u2019importance des filtres <\/strong>et des recherches pour aider l\u2019utilisateur \u00e0 trouver ce qu\u2019il cherche ! On comprend donc en quoi il est important de prendre en compte cette loi lors de la conception des plateformes d\u2019apprentissage pour offrir une exp\u00e9rience optimale aux utilisateurs.<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n<em><\/p>\n<h2>Bibliographie :<\/h2>\n<p> <\/em><\/p>\n<p>&#8211; Hick W. E. (1952). On the rate of gain of information. Quarterly Journal of Experimental Psychology, 4, 11\u201326<\/p>\n<p>&#8211; Cao J. (2010). Applying Hick\u2019s law to Web design. Free example wireframes. Retrieved from https:\/\/www.uxpin.com\/studio\/blog\/applying-hicks-law-to-web-design-free-example-wireframes\/<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\nTous les \u00e9pisodes de la s\u00e9rie, c&rsquo;est ici :<br \/>\n<strong>&#8211; <a href=\"https:\/\/sydo.fr\/sydologie\/2023\/01\/ux-et-apprentissage-la-loi-de-fitts\/\"target=\"blank\">UX et apprentissage \u2013 Episode 1 \u2013 La loi de FItts<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydo.fr\/sydologie\/2023\/01\/ux-et-apprentissage-episode-2-la-loi-de-hick\/\"target=\"blank\">UX et apprentissage \u2013 Episode 2 : La loi de Hick<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydo.fr\/sydologie\/2023\/03\/ux-et-apprentissage-episode-3-la-loi-de-jakob\/\"target=\"blank\">UX et apprentissage \u2013 Episode 3 : La loi de Jakob<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydo.fr\/sydologie\/2023\/05\/ux-et-apprentissage-leffet-zeigarnik\/\"target=\"blank\">UX et apprentissage \u2013 Episode 4 : l\u2019effet Zeigarnik<\/a><\/strong><br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n<a href=\"https:\/\/www.flaticon.com\/free-icons\/choice\" title=\"choice icons\">Choice icons created by Freepik &#8211; Flaticon<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"La loi de Hick d\u00e9crit le temps qu&rsquo;il faut \u00e0 un utilisateur pour prendre une d\u00e9cision en fonction du nombre de choix \u00e0 sa disposition. Pour simplifier : T = b log2(n + 1). Limpide, non ? Comment \u00e7a non ?! &nbsp; Cela fait r\u00e9f\u00e9rence \u00e0 une \u00e9tude men\u00e9e par des chercheurs en psychologie exp\u00e9rimentale,&#8230; <a class=\"view-article\" href=\"https:\/\/sydo.fr\/sydologie\/2023\/01\/ux-et-apprentissage-episode-2-la-loi-de-hick\/\">Voir l&rsquo;article<\/a>","protected":false},"author":6,"featured_media":12394,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[2],"tags":[],"class_list":["post-12387","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-le-mag"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UX et apprentissage - Episode 2 : La loi de Hick - Sydologie<\/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:\/\/sydo.fr\/sydologie\/2023\/01\/ux-et-apprentissage-episode-2-la-loi-de-hick\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UX et apprentissage - Episode 2 : La loi de Hick - Sydologie\" \/>\n<meta property=\"og:description\" content=\"La loi de Hick d\u00e9crit le temps qu&rsquo;il faut \u00e0 un utilisateur pour prendre une d\u00e9cision en fonction du nombre de choix \u00e0 sa disposition. Pour simplifier : T = b log2(n + 1). Limpide, non ? Comment \u00e7a non ?! &nbsp; Cela fait r\u00e9f\u00e9rence \u00e0 une \u00e9tude men\u00e9e par des chercheurs en psychologie exp\u00e9rimentale,... 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Pour simplifier : T = b log2(n + 1). Limpide, non ? Comment \u00e7a non ?! &nbsp; Cela fait r\u00e9f\u00e9rence \u00e0 une \u00e9tude men\u00e9e par des chercheurs en psychologie exp\u00e9rimentale,... 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