{"id":8466,"date":"2020-01-21T11:00:09","date_gmt":"2020-01-21T10:00:09","guid":{"rendered":"http:\/\/sydologie.com\/?p=8466"},"modified":"2024-11-25T10:00:35","modified_gmt":"2024-11-25T09:00:35","slug":"les-biais-cognitifs-3-leffet-ikea","status":"publish","type":"post","link":"https:\/\/sydo.fr\/sydologie\/2020\/01\/les-biais-cognitifs-3-leffet-ikea\/","title":{"rendered":"Les biais cognitifs #3 : L&rsquo;effet IKEA"},"content":{"rendered":"<p>Dans l\u2019article pr\u00e9c\u00e9dent de cette s\u00e9rie, nous vous parlions de <strong>l\u2019effet de halo<\/strong> et de son impact sur nos perceptions. Cette semaine, place \u00e0 un nouveau biais cognitif \u00ab bicolore \u00bb tout aussi redoutable !<\/p>\n<p>Le biais cognitif du jour tire son nom d\u2019une c\u00e9l\u00e8bre enseigne scandinave aux teintes jaunes et bleues que l\u2019on ne pr\u00e9sente plus, tant les 4 lettres qui composent son nom sont connues \u00e0 travers le globe. Voici donc \u00ab <strong>l\u2019effet IKEA<\/strong> \u00bb !<br \/>\n&nbsp;<\/p>\n<h2>Nous aimons (trop) ce que nous faisons<\/h2>\n<p>Dans le cadre <a href=\"https:\/\/www.hbs.edu\/faculty\/Publication%20Files\/11-091.pdf\"target=\"blank\">d\u2019\u00e9tudes conduites en 2011<\/a>, les chercheurs am\u00e9ricains Michael I. Norton, Daniel Mochon et Dan Ariely se sont interrog\u00e9s sur le lien entre la valeur que nous accordons aux choses et la quantit\u00e9 de travail que nous avons fournie pour elles. Et ils ont fait le constat suivant : <strong>plus nous consacrons de temps et d\u2019\u00e9nergie \u00e0 quelque chose<\/strong> (une mission, la fabrication d\u2019un produit, un projet\u2026), <strong>plus grande est la valeur que nous lui accordons<\/strong>, au point m\u00eame de surestimer sa valeur marchande r\u00e9elle ! <\/p>\n<p>Ainsi, <strong>tout objet fabriqu\u00e9 de nos mains<\/strong> (m\u00eame partiellement) <strong>acquiert automatiquement une plus grande valeur<\/strong> que le m\u00eame objet achet\u00e9 tout fait : un vase en terre cuite tout tarabiscot\u00e9 que nous avons pass\u00e9 du temps \u00e0 sculpter aura par exemple bien plus de prix \u00e0 nos yeux qu\u2019un vase industriel, car l\u2019\u00e9nergie que nous avons investie dans sa fabrication et les souvenirs qui y sont associ\u00e9s le rendent plus pr\u00e9cieux\u2026<br \/>\nOn comprend mieux, d\u00e8s lors, pourquoi les chercheurs ont choisi de nommer ce biais cognitif d\u2019apr\u00e8s l\u2019enseigne qui a justement fait des produits en kit \u00e0 assembler soi-m\u00eame son c\u0153ur de march\u00e9.<br \/>\n&nbsp;<\/p>\n<h2>La mode du DIY (Do It Yourself)<\/h2>\n<p>Mais IKEA n\u2019est pas la seule marque \u00e0 avoir pris la mesure du formidable pouvoir de ce biais cognitif. Loin du march\u00e9 des meubles en kit, <strong>de nombreuses entreprises surfent sur la tendance et cherchent \u00e0 impliquer davantage les consommateurs<\/strong> en leur proposant de (co)cr\u00e9er eux-m\u00eames leurs plats de chef, leurs playlists ou leurs baskets. <\/p>\n<p>Derri\u00e8re tous ces exemples, les m\u00eames m\u00e9canismes sont en jeu :<br \/>\n&#8211;\t<strong>\u00ab L\u2019effort \u00bb produit<\/strong> pour donner vie \u00e0 l\u2019objet\/au projet\/au produit lui conf\u00e8re un petit suppl\u00e9ment de valeur (\u00ab j\u2019ai donn\u00e9 un peu de mon temps et de mon \u00e9nergie personnelle \u00bb),<br \/>\n&#8211;\t<strong>L\u2019implication personnelle<\/strong> d\u00e9clenche une esp\u00e8ce de m\u00e9canisme de gratification (\u00ab je l\u2019ai fait moi-m\u00eame \u00bb, \u00ab j\u2019ai r\u00e9ussi \u00bb)<br \/>\n&#8211;\t<strong>Le caract\u00e8re unique<\/strong> dudit objet\/projet\/produit renforce sa valeur \u00e0 nos yeux (\u00ab \u00e7a me ressemble \u00bb, \u00ab personne d\u2019autre ne poss\u00e8de\/fait la m\u00eame chose \u00bb)<br \/>\n&nbsp;<\/p>\n<h2>Les dangers de l\u2019effet IKEA en entreprise\u2026 ou en tant qu\u2019apprenant\/que formateur<\/h2>\n<p>Le probl\u00e8me de ce biais cognitif, c\u2019est qu\u2019<strong>il peut nous conduire \u00e0 des comportements contre-productifs<\/strong>, comme refuser d\u2019abandonner une id\u00e9e erron\u00e9e parce que c\u2019est la n\u00f4tre et qu\u2019\u00e0 ce titre on en surestime la valeur, ou bien croire que ce qu\u2019on propose est forc\u00e9ment int\u00e9ressant parce qu\u2019on a pass\u00e9 beaucoup de temps dessus (coucou, vous tous qui comme moi avez un jour d\u00fb jeter \u00e0 la poubelle une soixantaine de pages de votre m\u00e9moire de fin d\u2019\u00e9tudes, pages pourtant produites dans la sueur et les larmes. Je sais, je sais. Ne pleurez pas).<\/p>\n<p>Si vous tenez trop \u00e0 quelque chose qui vient de vous, demandez-vous si l\u2019effet IKEA n\u2019est pas pass\u00e9 par l\u00e0 : en brainstorming, en r\u00e9union strat\u00e9gique ou au moment de pr\u00e9senter pour la premi\u00e8re fois votre nouvelle formation \u00e0 des testeurs, restez ouvert(e) aux opinions des autres et \u00e0 la contradiction. <strong>Ce n\u2019est pas parce que c\u2019est votre id\u00e9e ou votre formation qu\u2019elle est forc\u00e9ment meilleure\/id\u00e9ale\/parfaite<\/strong> !<br \/>\n&nbsp;<\/p>\n<h2>Effet IKEA : que retenir ?<\/h2>\n<p>&#8211;  <strong>Formateurs, soyez pr\u00eat(e) \u00e0 revoir votre copie si besoin<\/strong> : ce n\u2019est pas parce que vous avez pass\u00e9 mille ans \u00e0 concevoir un splendide et dense Powerpoint de 158 slides qui vous plait beaucoup pour votre prochaine formation que tout est \u00e0 garder dedans. Tout comme le fait de donner la m\u00eame formation depuis 10 ans n\u2019est pas n\u00e9cessairement un gage de qualit\u00e9 et de pertinence pour votre public&#8230; <strong>Il faut parfois savoir faire du tri et renoncer \u00e0 ce dans quoi on a investi beaucoup d\u2019\u00e9nergie<\/strong>, mais c\u2019est souvent pour un mieux !<\/p>\n<p>&#8211; <strong>Vous pouvez aussi retourner l\u2019effet IKEA<\/strong> pour le mettre au service de votre formation ! Puisqu\u2019on s\u2019attache davantage \u00e0 ce qu\u2019on produit, pourquoi ne pas jouer sur le biais pour <strong>mettre vos form\u00e9s en mouvement et leur demander de fabriquer leur propre pr\u00e9sentation\/outil\/projet\/<a href=\"https:\/\/sydo.fr\/nos-formations\" target=\"blank\" rel=\"noopener noreferrer\">vid\u00e9o dessin\u00e9e<\/a><\/strong> (j\u2019ose un peu de pub, allez) ? De cette fa\u00e7on, sans forc\u00e9ment s\u2019en rendre compte, ils seront plus impliqu\u00e9s, plus enclins \u00e0 aller plus loin que le simple contenu que vous leur apportez, et qui sait, peut-\u00eatre plus marqu\u00e9s par la formation que s\u2019ils \u00e9taient rest\u00e9s passivement (classiquement ?) assis sur leur chaise \u00e0 boire vos paroles, aussi sages soient-elles.<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\nSources :<br \/>\n&#8211;\t<a href=\"https:\/\/www.pourlascience.fr\/sd\/neurosciences\/leffet-ikea-11141.php\"target=\"blank\">https:\/\/www.pourlascience.fr\/sd\/neurosciences\/leffet-ikea-11141.php<\/a><br \/>\n&#8211;\t<a href=\"https:\/\/medium.com\/@j.laureau\/5-biais-cognitifs-qui-agissent-sunotre-perception-des-interfaces-27c3ecdf6373\"target=\"blank\">https:\/\/medium.com\/@j.laureau\/5-biais-cognitifs-qui-agissent-sunotre-perception-des-interfaces-27c3ecdf6373<\/a><br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\nPour lire tous les articles de la s\u00e9rie, c&rsquo;est ci-dessous :<br \/>\n<strong>&#8211; <a href=\"https:\/\/sydologie.com\/2019\/10\/les-biais-cognitifs-1-quest-ce-quun-biais-cognitif\/\"target=\"blank\">Les biais cognitifs #1 : Qu\u2019est-ce qu\u2019un biais cognitif ?<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2019\/12\/les-biais-cognitifs-2-leffet-de-halo\/\"target=\"blank\">Les biais cognitifs #2 : L\u2019effet de halo<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2020\/01\/les-biais-cognitifs-3-leffet-ikea\/\"target=\"blank\">Les biais cognitifs #3 : L\u2019effet IKEA<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2020\/02\/les-biais-cognitifs-4-le-biais-de-complexite\/\"target=\"blank\">Les biais cognitifs #4 : Le biais de complexit\u00e9<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2021\/02\/les-biais-cognitifs-5-la-malediction-de-la-connaissance\/\"target=\"blank\">LES BIAIS COGNITIFS #5 : LA MALEDICTION DE LA CONNAISSANCE<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2021\/04\/les-biais-cognitifs-6-le-biais-de-negativite\/\"target=\"blank\">LES BIAIS COGNITIFS #6 : LE BIAIS DE NEGATIVITE<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2022\/03\/les-biais-cognitifs-7-leffet-von-restorff\/\"target=\"blank\">LES BIAIS COGNITIFS #7 : L\u2019EFFET VON RESTORFF<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2022\/04\/les-biais-cognitifs-8-le-biais-de-statu-quo\/\"target=\"blank\">LES BIAIS COGNITIFS #8 : LE BIAIS DE STATU QUO<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2022\/12\/les-biais-cognitifs-9-la-loi-du-marteau\/\"target=\"blank\">LES BIAIS COGNITIFS #9 : LA LOI DU MARTEAU<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2022\/12\/les-biais-cognitifs-10-leffet-dunning-kruger\/\"target=\"blank\">LES BIAIS COGNITIFS #10 : L\u2019EFFET DUNNING-KRUGER<\/a><br \/>\n&#8211; <a href=\"https:\/\/sydologie.com\/2023\/07\/les-biais-cognitifs-11-lerreur-fondamentale-dattribution\/\"target=\"blank\">LES BIAIS COGNITIFS #11 : L\u2019ERREUR FONDAMENTALE D\u2019ATTRIBUTION<\/a><\/strong><br \/>\n&nbsp;<br \/>\n&nbsp;<br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"Dans l\u2019article pr\u00e9c\u00e9dent de cette s\u00e9rie, nous vous parlions de l\u2019effet de halo et de son impact sur nos perceptions. Cette semaine, place \u00e0 un nouveau biais cognitif \u00ab bicolore \u00bb tout aussi redoutable ! Le biais cognitif du jour tire son nom d\u2019une c\u00e9l\u00e8bre enseigne scandinave aux teintes jaunes et bleues que l\u2019on ne&#8230; <a class=\"view-article\" href=\"https:\/\/sydo.fr\/sydologie\/2020\/01\/les-biais-cognitifs-3-leffet-ikea\/\">Voir l&rsquo;article<\/a>","protected":false},"author":34,"featured_media":12861,"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":[173,817,818,1491],"class_list":["post-8466","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-le-mag","tag-cerveau","tag-neuroscience-et-pedagogie","tag-neurosciences","tag-ressources-cognitives"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les biais cognitifs #3 : L&#039;effet IKEA - 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\/2020\/01\/les-biais-cognitifs-3-leffet-ikea\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les biais cognitifs #3 : L&#039;effet IKEA - Sydologie\" \/>\n<meta property=\"og:description\" content=\"Dans l\u2019article pr\u00e9c\u00e9dent de cette s\u00e9rie, nous vous parlions de l\u2019effet de halo et de son impact sur nos perceptions. 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