{"id":2869,"date":"2018-04-30T09:00:31","date_gmt":"2018-04-30T07:00:31","guid":{"rendered":"http:\/\/blog.nextdoor.fr\/?p=2869"},"modified":"2025-08-28T15:36:07","modified_gmt":"2025-08-28T13:36:07","slug":"reseaux-sociaux-networking-150-amis-dunbar-2869","status":"publish","type":"post","link":"https:\/\/www.wojo.com\/blog\/fr\/la-boite-a-outils\/reseaux-sociaux-networking-150-amis-dunbar-2869\/","title":{"rendered":"[R\u00e9seaux sociaux] Se limiter \u00e0 150 amis, la cl\u00e9 des relations r\u00e9ussies ?"},"content":{"rendered":"<p><strong>Et si le temps de \u00ab\u00a0celle qui a le plus grand nombre de contacts sur LinkedIn\u00a0\u00bb ou \u00ab\u00a0celui qui a le plus d\u2019amis sur <a href=\"_wp_link_placeholder\" data-wplink-edit=\"true\">Facebook\u00a0<\/a>\u00bb \u00e9tait bient\u00f4t r\u00e9volu\u00a0? De nombreuses \u00e9tudes sugg\u00e8rent que la taille de notre cerveau limite nos possibilit\u00e9s d\u2019interactions sociales, faisant mentir l\u2019adage \u00ab plus on en a, mieux c\u2019est\u00a0\u00bb. Quelles conclusions en tirer pour notre networking professionnel\u00a0? <\/strong><\/p>\n<p>L\u2019av\u00e8nement des r\u00e9seaux sociaux a provoqu\u00e9 un boom sid\u00e9ral de notre nombre d\u2019amis. On y trouve p\u00eale-m\u00eale nos amis d\u2019enfance et d\u2019aujourd\u2019hui, mais aussi notre prof de fran\u00e7ais de 5<sup>e<\/sup>, notre amoureux(se) de CM2 ou encore notre stagiaire de l\u2019an 2000, avec lequel on avait sympathis\u00e9 autour de la machine \u00e0 caf\u00e9. Nous sommes tous d\u2019accord pour avouer que rien de tout cela n\u2019est bien grave ni m\u00eame r\u00e9el\u2026 mais cela pourrait toutefois s\u2019av\u00e9rer contre-productif si l\u2019on en croit les travaux de Robin Dunbar.<\/p>\n<h2><strong>150 is the limit <\/strong><\/h2>\n<p>Ce professeur de psychologie \u00e0 l\u2019universit\u00e9 d\u2019Oxford <a href=\"https:\/\/pdfs.semanticscholar.org\/ec4b\/d845dae9c5b9b006a198a39d6709030c714d.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">a compar\u00e9 la taille du cerveau de diff\u00e9rents groupes de primates<\/a> avec la taille des groupes sociaux dans lesquels ils s\u2019int\u00e8grent. Il en a produit, dans les ann\u00e9es 90, une formule math\u00e9matique qui lui permet de calculer que 147.8 est la taille moyenne d\u2019un groupe optimal d\u2019individus chez les humains. Un nombre confirm\u00e9 par l\u2019\u00e9tude de la taille de nombreux villages et tribus dans diff\u00e9rents cultures. Robin Dunbar explique cette \u00e9tonnante moyenne par le fait que notre cerveau n\u2019est pas capable d\u2019entretenir plus de 150 relations suivies et de qualit\u00e9, faute de temps et de ressources cognitives disponibles. Ce nombre peut varier l\u00e9g\u00e8rement d\u2019un individu \u00e0 l\u2019autre, sans jamais s\u2019\u00e9loigner beaucoup de la barre des 150. Dunbar observe \u00e9galement que les groupes au-del\u00e0 de 150 individus n\u00e9cessitent des r\u00e8gles plus restrictives et des normes communes pour maintenir leur stabilit\u00e9 et leur coh\u00e9sion.<\/p>\n<h2><strong>Le nombre de Dunbar d\u00e9pass\u00e9 par les r\u00e9seaux sociaux\u00a0?<\/strong><\/h2>\n<p>Or les possibilit\u00e9s offertes par les r\u00e9seaux sociaux font miroiter la possibilit\u00e9 de casser ce plafond de verre et d\u2019entretenir un r\u00e9seau virtuel bien plus important que notre r\u00e9seau IRL (In Real Life). L\u2019hypoth\u00e8se selon laquelle nous serions en mesure de d\u00e9multiplier les interactions sociales a \u00e9t\u00e9 test\u00e9e par <a href=\"http:\/\/rsos.royalsocietypublishing.org\/content\/3\/1\/150292\" target=\"_blank\" rel=\"noopener noreferrer\">deux \u00e9tudes britanniques<\/a> en se penchant sur le r\u00e9seau online d\u2019individus et sur leur niveau d\u2019interactions au sein de ce r\u00e9seau. Elles ont abouti \u00e0 la conclusion que notre capacit\u00e9 d\u2019interactions est aussi limit\u00e9e sur la toile que dans la vraie vie, avec un plafond qui tourne autour de 150 relations. Cela vient donc appuyer l\u2019hypoth\u00e8se de Robin Dunbar sur l\u2019existence d\u2019une contrainte cognitive sur la taille maximum du groupe humain avec lequel un seul individu peut interagir\u00a0: m\u00eame les r\u00e9seaux sociaux digitalis\u00e9s ne pourraient pas la contourner.<\/p>\n<h2><strong>Le m\u00e9nage, c\u2019est maintenant\u00a0?<\/strong><\/h2>\n<p>Alors, qu\u2019est-ce qu\u2019on fait de nos 332 amis Facebook et 354 contacts <a href=\"https:\/\/www.wojo.com\/blog\/fr\/la-boite-a-outils\/linkedin-cest-fini\/\">LinkedIn\u00a0<\/a>? On les jette\u00a0? Oui, sugg\u00e8rent certains sp\u00e9cialistes des relations humaines. Qu\u2019elle soit en ligne ou pas, construire et entretenir une relation demande du temps et de l\u2019attention, denr\u00e9es dont nous ne disposons pas de mani\u00e8re illimit\u00e9e.<\/p>\n<p>Un trop grand nombre de relations alt\u00e8re la qualit\u00e9 des liens que l\u2019on est capable de nouer. R\u00e9sultat, au lieu de d\u00e9velopper avec constance des relations solides, nous nous \u00e9parpillons dans des relations trop superficielles pour pouvoir en tirer parti (ou apporter quelque chose d\u2019utile \u00e0 autrui), que ce soit \u00e9motionnellement ou professionnellement.<\/p>\n<h2><strong>La qualit\u00e9, secret de la coh\u00e9sion d\u2019un r\u00e9seau <\/strong><\/h2>\n<p>Quand on y r\u00e9fl\u00e9chit, on est naturellement plus enclin \u00e0 mettre en relation deux personnes avec qui l\u2019on interagit r\u00e9guli\u00e8rement et dont on a suivi l\u2019\u00e9volution\u00a0: pourquoi alors ne pas se limiter aux individus que nous connaissons vraiment\u00a0?<\/p>\n<p>Dunbar explique la limite de la taille des groupes sociaux par notre capacit\u00e9 \u00e0 percevoir les interrelations entre les individus, mais aussi \u00e0 m\u00e9moriser les affinit\u00e9s, les conflits, les ant\u00e9riorit\u00e9s de chacun : des informations cl\u00e9s lorsqu\u2019il s\u2019agit de cr\u00e9er de la coh\u00e9sion. Les militaires semblent l\u2019avoir compris depuis belle lurette, puisque la l\u00e9gion romaine fonctionnait d\u00e9j\u00e0 par centuries\u2026<\/p>\n<p>Si vous vous demandez comment d\u00e9cliner cette r\u00e8gle dans votre activit\u00e9 professionnelle, plongez-vous dans <a href=\"https:\/\/editions.flammarion.com\/Catalogue\/cles-des-champs\/le-point-de-bascule\" target=\"_blank\" rel=\"noopener noreferrer\"><em>Le Point de Bascule\u00a0: comment faire une grande diff\u00e9rence avec de petites choses<\/em><\/a> (\u00e9ditions Flammarion). Malcom Galdwell y d\u00e9taille, entre autres, les fondamentaux de la r\u00e8gle des 150 dans la vie de l\u2019entreprise. Une lecture qui devrait vous aider \u00e0 vous poser les bonnes questions sur vos relations online, et resserrer les liens avec celles qui m\u00e9ritent davantage d\u2019attention\u00a0!<\/p>\n<p><em><strong><\/strong><\/em><\/p>\n<p><em><strong>Article r\u00e9dig\u00e9 par Cl\u00e9mentine Garnier<\/strong><\/em><br \/>\n<em><strong>Pour <a href=\"https:\/\/www.my-wojo.com\/\">Wojo, Business Humanizer<\/a><\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Et si le temps de \u00ab\u00a0celle qui a le plus grand nombre de contacts sur LinkedIn\u00a0\u00bb ou \u00ab\u00a0celui qui a le plus d\u2019amis sur Facebook\u00a0\u00bb \u00e9tait bient\u00f4t r\u00e9volu\u00a0? De nombreuses \u00e9tudes sugg\u00e8rent que la taille de notre cerveau limite nos possibilit\u00e9s d\u2019interactions sociales, faisant mentir l\u2019adage \u00ab plus on en a, mieux c\u2019est\u00a0\u00bb. Quelles conclusions [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2874,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"podcast_url_v2":"","footnotes":""},"categories":[15],"tags":[228,196],"class_list":["post-2869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-la-boite-a-outils","tag-innovation-fr","tag-networking-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chiffre de Dunbar et r\u00e9seaux sociaux : se limiter \u00e0 150 relations<\/title>\n<meta name=\"description\" content=\"Notre cerveau serait capable d\u2019entretenir environ 150 relations, pas plus\u2026 R\u00e9duire sa taille pour gagner en qualit\u00e9, le secret d\u2019un networking r\u00e9ussi ?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wojo.com\/blog\/fr\/la-boite-a-outils\/reseaux-sociaux-networking-150-amis-dunbar-2869\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chiffre de Dunbar et r\u00e9seaux sociaux : se limiter \u00e0 150 relations\" \/>\n<meta property=\"og:description\" content=\"Notre cerveau serait capable d\u2019entretenir environ 150 relations, pas plus\u2026 R\u00e9duire sa taille pour gagner en qualit\u00e9, le secret d\u2019un networking r\u00e9ussi ?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wojo.com\/blog\/fr\/la-boite-a-outils\/reseaux-sociaux-networking-150-amis-dunbar-2869\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog Wojo\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Wojo.coworking\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-30T07:00:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-28T13:36:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wojo.com\/blog\/wp-content\/uploads\/2018\/04\/christopher-burns-360257-unsplash-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1620\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Wojo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Wojo_co\" \/>\n<meta name=\"twitter:site\" content=\"@Wojo_co\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Wojo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.wojo.com\\\/blog\\\/fr\\\/la-boite-a-outils\\\/reseaux-sociaux-networking-150-amis-dunbar-2869\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.wojo.com\\\/blog\\\/fr\\\/la-boite-a-outils\\\/reseaux-sociaux-networking-150-amis-dunbar-2869\\\/\"},\"author\":{\"name\":\"Wojo\",\"@id\":\"https:\\\/\\\/www.wojo.com\\\/blog\\\/#\\\/schema\\\/person\\\/52175cfaea09e0d3479bdd89e2993639\"},\"headline\":\"[R\u00e9seaux sociaux] Se limiter \u00e0 150 amis, la cl\u00e9 des relations r\u00e9ussies ?\",\"datePublished\":\"2018-04-30T07:00:31+00:00\",\"dateModified\":\"2025-08-28T13:36:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.wojo.com\\\/blog\\\/fr\\\/la-boite-a-outils\\\/reseaux-sociaux-networking-150-amis-dunbar-2869\\\/\"},\"wordCount\":847,\"commentCount\":8,\"publisher\":{\"@id\":\"https:\\\/\\\/www.wojo.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.wojo.com\\\/blog\\\/fr\\\/la-boite-a-outils\\\/reseaux-sociaux-networking-150-amis-dunbar-2869\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.wojo.com\\\/blog\\\/wp-content\\\/uploads\\\/2018\\\/04\\\/christopher-burns-360257-unsplash-scaled.jpg\",\"keywords\":[\"Innovation - 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