{"id":14901,"date":"2025-04-29T15:08:04","date_gmt":"2025-04-29T15:08:04","guid":{"rendered":"https:\/\/dailyai.com\/?p=14901"},"modified":"2026-10-25T14:49:33","modified_gmt":"2026-10-25T14:49:33","slug":"reddit-users-secretly-manipulated-by-ai-in-shocking-psychological-experiment","status":"publish","type":"post","link":"https:\/\/dailyai.com\/fr\/2025\/04\/reddit-users-secretly-manipulated-by-ai-in-shocking-psychological-experiment\/","title":{"rendered":"Des utilisateurs de Reddit manipul\u00e9s \u00e0 leur insu par une IA dans une exp\u00e9rience psychologique choquante"},"content":{"rendered":"<p><strong>Des chercheurs de l&#039;Universit\u00e9 de Zurich ont men\u00e9 secr\u00e8tement une exp\u00e9rience d&#039;intelligence artificielle pendant plusieurs mois sur la communaut\u00e9 r\/changemyview de Reddit, qui compte 3,8 millions de membres, sans le consentement des utilisateurs.<\/strong><\/p>\n<p class=\"p1\">Un groupe de chercheurs de l&#039;Universit\u00e9 de Zurich a men\u00e9 une exp\u00e9rience secr\u00e8te de plusieurs mois, utilisant des commentaires g\u00e9n\u00e9r\u00e9s par l&#039;IA pour influencer les utilisateurs de Reddit \u00e0 leur insu et sans leur consentement.<\/p>\n<p class=\"p1\">L&#039;exp\u00e9rience a eu lieu le <a href=\"https:\/\/www.reddit.com\/r\/changemyview\/\"><span class=\"s1\">r\/changemyview<\/span><\/a>, un subreddit de 3,8 millions de membres connu pour ses d\u00e9bats respectueux. Les chercheurs ont d\u00e9ploy\u00e9 <span class=\"s1\">grands mod\u00e8les de langage (LLM)<\/span> R\u00e9diger des r\u00e9ponses personnalis\u00e9es et persuasives, en se faisant passer pour de vraies personnes, afin de voir si l&#039;IA pouvait modifier l&#039;opinion des utilisateurs.<\/p>\n<h2><b>Les d\u00e9tails<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Des commentaires g\u00e9n\u00e9r\u00e9s par l&#039;IA, se faisant passer pour de vrais utilisateurs, ont \u00e9t\u00e9 publi\u00e9s pour influencer les opinions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Parmi les personnalit\u00e9s repr\u00e9sent\u00e9es figuraient des survivants de traumatismes et des voix politiques controvers\u00e9es.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L&#039;IA a utilis\u00e9 des donn\u00e9es personnelles extraites de l&#039;historique des utilisateurs pour adapter les r\u00e9ponses et les rendre plus persuasives.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aucune de ces activit\u00e9s n&#039;a \u00e9t\u00e9 divulgu\u00e9e.,<\/span><a href=\"https:\/\/www.reddit.com\/r\/changemyview\/wiki\/rules\/#wiki_rule_a\"><span style=\"font-weight: 400;\"> Violation des r\u00e8gles du subreddit et de Reddit en g\u00e9n\u00e9ral.<\/span><\/a><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Il ne s&#039;agissait pas seulement de bots.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Il s&#039;agissait d&#039;une manipulation psychologique utilisant des donn\u00e9es personnelles pour tester l&#039;efficacit\u00e9 de l&#039;IA. <\/span><a href=\"https:\/\/www.reddit.com\/r\/changemyview\/comments\/1k8b2hj\/meta_unauthorized_experiment_on_cmv_involving\/?share_id=fNoQ3xhzEWVihi6K6n8Uy&amp;utm_content=2&amp;utm_medium=ios_app&amp;utm_name=ioscss&amp;utm_source=share&amp;utm_term=1\"><span style=\"font-weight: 400;\">changer les mentalit\u00e9s.<\/span><\/a><\/p>\n<p><a href=\"https:\/\/investor.redditinc.com\/governance\/board-of-directors\/person-details\/default.aspx?ItemId=c994983e-fef3-4f55-8b65-58e4790fb48a\"><span style=\"font-weight: 400;\">Ben Lee, directeur juridique de Reddit<\/span><\/a><span style=\"font-weight: 400;\"> Reddit a qualifi\u00e9 cette d\u00e9cision de \u201c profond\u00e9ment r\u00e9pr\u00e9hensible sur les plans moral et juridique \u201d et a confirm\u00e9 pr\u00e9parer une action en justice formelle.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14902 aligncenter\" src=\"https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-300x225.jpg\" alt=\"\" width=\"1057\" height=\"793\" srcset=\"https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-300x225.jpg 300w, https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-1024x768.jpg 1024w, https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-768x576.jpg 768w, https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-1536x1152.jpg 1536w, https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-2048x1536.jpg 2048w, https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-16x12.jpg 16w, https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-1171x878.jpg 1171w, https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/brett-jordan-0FytazjHhxs-unsplash-60x45.jpg 60w\" sizes=\"auto, (max-width: 1057px) 100vw, 1057px\" \/><\/p>\n<p style=\"text-align: center;\"><i><span style=\"font-weight: 400;\">Photo par <\/span><\/i><a href=\"https:\/\/unsplash.com\/@brett_jordan?utm_content=creditCopyText&amp;utm_medium=referral&amp;utm_source=unsplash\"><i><span style=\"font-weight: 400;\">Brett Jordan<\/span><\/i><\/a><i><span style=\"font-weight: 400;\"> sur <\/span><\/i><a href=\"https:\/\/unsplash.com\/photos\/red-and-white-8-logo-0FytazjHhxs?utm_content=creditCopyText&amp;utm_medium=referral&amp;utm_source=unsplash\"><i><span style=\"font-weight: 400;\">Unsplash<\/span><\/i><\/a><\/p>\n<h2><b>La d\u00e9fense des chercheurs<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Ils affirment que leur comit\u00e9 d&#039;\u00e9thique a approuv\u00e9 le projet et soutiennent que leur objectif \u00e9tait de montrer comment l&#039;IA pouvait \u00eatre mal utilis\u00e9e pour manipuler les \u00e9lections ou diffuser des discours haineux.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201c Nous pensons que les avantages potentiels de cette recherche l&#039;emportent largement sur ses risques \u201d, ont \u00e9crit les chercheurs.<\/span><\/p>\n<h2><b>La r\u00e9action<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Les mod\u00e9rateurs du subreddit r\/changemyview \u00e9taient indign\u00e9s, qualifiant la recherche d\u201c\u201d ind\u00e9sirable \u201c et de \u201d manipulatrice \u00bb.\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.404media.co\/reddit-issuing-formal-legal-demands-against-researchers-who-conducted-secret-ai-experiment-on-users\/\">Ils ont d\u00e9pos\u00e9 une plainte<\/a> et a demand\u00e9 \u00e0 l&#039;universit\u00e9 d&#039;emp\u00eacher la publication de l&#039;\u00e9tude. Cette exp\u00e9rience r\u00e9v\u00e8le une menace croissante\u00a0: la persuasion \u00e0 grande \u00e9chelle, sans consentement, gr\u00e2ce \u00e0 l&#039;IA. Elle montre avec quelle facilit\u00e9 les individus peuvent \u00eatre influenc\u00e9s lorsque l&#039;IA conna\u00eet leurs croyances et peut imiter celles de leurs pairs.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Des utilisateurs de Reddit ont servi de sujets d&#039;exp\u00e9rience.<br \/>\n<\/span><\/p>\n<p class=\"p2\">Il ne s&#039;agissait pas d&#039;un simple exercice acad\u00e9mique. Cela d\u00e9montre \u00e0 quel point la manipulation par l&#039;IA peut \u00eatre puissante et subtile, notamment lorsqu&#039;elle imite des voix humaines de confiance \u00e0 partir de donn\u00e9es personnelles.<\/p>\n<p class=\"p2\">Avec la g\u00e9n\u00e9ralisation de l&#039;IA g\u00e9n\u00e9rative, <span class=\"s1\">Le risque de manipulation par l&#039;IA n&#039;est plus th\u00e9orique.<\/span> C&#039;est bien r\u00e9el, et cela vient de se produire dans l&#039;une des plus grandes communaut\u00e9s d&#039;Internet.<\/p>\n<p><span style=\"font-weight: 400;\">Reddit, l&#039;une des plus grandes communaut\u00e9s en ligne au monde, riposte.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de l&#039;Universit\u00e9 de Zurich ont men\u00e9 secr\u00e8tement une exp\u00e9rience d&#039;intelligence artificielle pendant plusieurs mois sur la communaut\u00e9 r\/changemyview de Reddit, forte de 3,8 millions de membres, sans le consentement des utilisateurs. Une \u00e9quipe de chercheurs de l&#039;Universit\u00e9 de Zurich a men\u00e9 une exp\u00e9rience clandestine de plusieurs mois, utilisant des commentaires g\u00e9n\u00e9r\u00e9s par IA pour influencer les utilisateurs de Reddit \u00e0 leur insu et sans leur consentement. L&#039;exp\u00e9rience s&#039;est d\u00e9roul\u00e9e sur r\/changemyview, un subreddit de 3,8 millions de membres r\u00e9put\u00e9 pour ses d\u00e9bats constructifs. Les chercheurs ont d\u00e9ploy\u00e9 des mod\u00e8les de langage \u00e0 grande \u00e9chelle (LLM) pour r\u00e9diger des r\u00e9ponses personnalis\u00e9es et persuasives, se faisant passer pour de vraies personnes, afin de d\u00e9terminer si l&#039;IA pouvait modifier les opinions des utilisateurs. Des commentaires g\u00e9n\u00e9r\u00e9s par IA, se faisant passer pour de vrais utilisateurs, ont \u00e9t\u00e9 publi\u00e9s pour influencer les opinions. Parmi les profils utilis\u00e9s figuraient des personnes ayant surv\u00e9cu \u00e0 un traumatisme.<\/p>","protected":false},"author":15,"featured_media":15518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-14901","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Reddit Users Secretly Manipulated by AI in Shocking Psychological Experiment | DailyAI<\/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:\/\/dailyai.com\/fr\/2025\/04\/reddit-users-secretly-manipulated-by-ai-in-shocking-psychological-experiment\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reddit Users Secretly Manipulated by AI in Shocking Psychological Experiment | DailyAI\" \/>\n<meta property=\"og:description\" content=\"Researchers from the University of Zurich secretly ran a months-long AI experiment on Reddit\u2019s 3.8M-member r\/changemyview community without user consent. A group of researchers from the University of Zurich ran a covert months-long experiment using AI-generated comments to influence Reddit users without their knowledge or consent. The experiment took place on r\/changemyview, a 3.8M-member subreddit known for civil debate. The researchers deployed large language models (LLMs) to write personalized, persuasive replies, posing as real people, to see if AI could change users\u2019 views. The details AI-generated comments, posing as real users, were posted to sway opinions. Personas included trauma survivors\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dailyai.com\/fr\/2025\/04\/reddit-users-secretly-manipulated-by-ai-in-shocking-psychological-experiment\/\" \/>\n<meta property=\"og:site_name\" content=\"DailyAI\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-29T15:08:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-25T14:49:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dailyai.com\/wp-content\/uploads\/2025\/04\/image-17-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1152\" \/>\n\t<meta property=\"og:image:height\" content=\"592\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Angelika Ibon\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:site\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:label1\" 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A group of researchers from the University of Zurich ran a covert months-long experiment using AI-generated comments to influence Reddit users without their knowledge or consent. The experiment took place on r\/changemyview, a 3.8M-member subreddit known for civil debate. The researchers deployed large language models (LLMs) to write personalized, persuasive replies, posing as real people, to see if AI could change users\u2019 views. The details AI-generated comments, posing as real users, were posted to sway opinions. 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