{"id":47226,"date":"2024-08-19T22:25:00","date_gmt":"2024-08-19T22:25:00","guid":{"rendered":"https:\/\/psychologydictionary.ae\/loi-de-stevens\/"},"modified":"2025-03-29T19:44:44","modified_gmt":"2025-03-29T19:44:44","slug":"loi-de-stevens","status":"publish","type":"post","link":"https:\/\/psychologydictionary.ae\/fr\/loi-de-stevens\/","title":{"rendered":"Loi de Stevens"},"content":{"rendered":"\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>  Loi de Stevens : Une loi psychophysique qui exprime une relation quantitative entre l\u2019intensit\u00e9 d\u2019un stimulus d\u2019une part et l\u2019intensit\u00e9 de la sensation d\u2019autre part, de mani\u00e8re exponentielle. Il s\u2019agit d\u2019un amendement \u00e0 la loi psychologique et physique fondamentale de Weber-Fechner (voir ci-dessus), qui est souvent appel\u00e9e la loi de la force &#8211; en particulier dans les sources anglaises. Bien que l\u2019id\u00e9e de la loi de la force ait \u00e9t\u00e9 propos\u00e9e par des chercheurs du XIXe si\u00e8cle, Stevens est cr\u00e9dit\u00e9 d\u2019avoir fait revivre cette loi et d\u2019avoir publi\u00e9 un ensemble de donn\u00e9es psychophysiques \u00e0 l\u2019appui en 1957.      <\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Loi de Stevens : Une loi psychophysique qui exprime une relation quantitative entre l\u2019intensit\u00e9 d\u2019un stimulus d\u2019une part et l\u2019intensit\u00e9 de la sensation d\u2019autre part, de mani\u00e8re exponentielle. Il s\u2019agit d\u2019un amendement \u00e0 la loi psychologique et physique fondamentale de Weber-Fechner (voir ci-dessus), qui est souvent appel\u00e9e la loi de la force &#8211; en particulier [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[198],"tags":[],"class_list":["post-47226","post","type-post","status-publish","format-standard","hentry","category-concepts-psychologiques-cles-en-psychologie-physique"],"_links":{"self":[{"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/posts\/47226","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/comments?post=47226"}],"version-history":[{"count":1,"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/posts\/47226\/revisions"}],"predecessor-version":[{"id":47228,"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/posts\/47226\/revisions\/47228"}],"wp:attachment":[{"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/media?parent=47226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/categories?post=47226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/psychologydictionary.ae\/fr\/wp-json\/wp\/v2\/tags?post=47226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}