

{"id":817435,"date":"2021-05-25T08:40:57","date_gmt":"2021-05-25T08:40:57","guid":{"rendered":"https:\/\/www.questionpro.com\/blog\/quest-ce-quune-etude-dobservation\/"},"modified":"2023-09-25T06:17:38","modified_gmt":"2023-09-25T06:17:38","slug":"quest-ce-quune-etude-dobservation","status":"publish","type":"post","link":"https:\/\/www.questionpro.com\/blog\/fr\/quest-ce-quune-etude-dobservation\/","title":{"rendered":"Qu&rsquo;est-ce qu&rsquo;une \u00e9tude par observation ?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Une \u00e9tude d&rsquo;observation se caract\u00e9rise par sa m\u00e9thode statistique et d\u00e9mographique, ce qui en fait un outil largement utilis\u00e9 dans des sciences telles que la sociologie et la biologie, en particulier pour la recherche \u00e9pid\u00e9miologique.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Contrairement \u00e0 d&rsquo;autres m\u00e9thodes, l&rsquo;\u00e9tude d&rsquo;observation est tr\u00e8s limit\u00e9e, car elle pr\u00e9sente certains probl\u00e8mes \u00e0 reproduire par d&rsquo;autres chercheurs.<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">Un <a href=\"https:\/\/www.questionpro.com\/blog\/research-design\/\">plan de recherche<\/a> efficace permet aux chercheurs de se concentrer sur les m\u00e9thodes de recherche adapt\u00e9es au sujet trait\u00e9 et de pr\u00e9parer leurs \u00e9tudes pour qu&rsquo;elles soient couronn\u00e9es de succ\u00e8s.<\/span><\/p><\/blockquote>\n<h2><span style=\"font-weight: 400;\">Types de pratiques d&rsquo;\u00e9tudes d&rsquo;observation<\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-127911\" src=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2021\/05\/Observational-study-types.jpg\" alt=\"Types d'\u00e9tudes d'observation\" width=\"992\" height=\"929\"><\/p>\n<h3><span style=\"font-weight: 400;\">Une \u00e9tude d&rsquo;observation peut \u00eatre de diff\u00e9rents types, tels que :<\/span><\/h3>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.questionpro.com\/blog\/cohort-study\/\">\u00c9tude de cohorte<\/a>: Ce type d&rsquo;\u00e9tude est utilis\u00e9, par exemple, pour \u00e9tudier les causes de l&rsquo;apparition d&rsquo;une maladie et pour trouver des relations entre les facteurs de risque et les r\u00e9sultats en mati\u00e8re de sant\u00e9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00c9tude cas-t\u00e9moins : Les chercheurs identifient des personnes souffrant d&rsquo;un probl\u00e8me de sant\u00e9 existant et un groupe similaire ne souffrant pas de ce probl\u00e8me. Ils les comparent ensuite en fonction de l&rsquo;exposition.<\/span><\/p>\n<p><a href=\"https:\/\/www.questionpro.com\/blog\/cross-sectional-study\/\"><span style=\"font-weight: 400;\">\u00c9tude transversale<\/span><\/a><span style=\"font-weight: 400;\">: Dans ce type d&rsquo;\u00e9tude, les chercheurs enregistrent des informations sur leur \u00e9chantillon sans manipuler ou interf\u00e9rer avec leur environnement. La caract\u00e9ristique la plus importante de cette m\u00e9thode est qu&rsquo;elle permet de comparer diff\u00e9rents groupes sur une m\u00eame p\u00e9riode.<\/span><\/p>\n<p><a href=\"https:\/\/www.questionpro.com\/blog\/longitudinal-study\/\"><span style=\"font-weight: 400;\">\u00c9tude longitudinale<\/span><\/a><span style=\"font-weight: 400;\">: Cette m\u00e9thode est similaire \u00e0 l&rsquo;\u00e9tude d&rsquo;observation. Cependant, dans cette m\u00e9thode, les chercheurs observent les sujets de l&rsquo;\u00e9tude pendant une p\u00e9riode qui peut durer des ann\u00e9es.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Avantages d&rsquo;une \u00e9tude d&rsquo;observation<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Les principaux avantages de ce type d&rsquo;\u00e9tude sont les suivants :<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Elle permet d&rsquo;avoir une approche r\u00e9elle et plus appropri\u00e9e du ph\u00e9nom\u00e8ne. Cela r\u00e9duit la partialit\u00e9 du chercheur.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Les \u00e9tudes d&rsquo;observation permettent de r\u00e9aliser des \u00e9tudes qui ne peuvent \u00eatre men\u00e9es avec d&rsquo;autres m\u00e9thodes de recherche.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">En ex\u00e9cutant cette m\u00e9thode d&rsquo;\u00e9tude, le chercheur \u00e9vite les probl\u00e8mes li\u00e9s \u00e0 l&rsquo;\u00e9thique ou les difficult\u00e9s pr\u00e9sent\u00e9es par un projet de grande envergure.  <\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Inconv\u00e9nients des \u00e9tudes d&rsquo;observation<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Les inconv\u00e9nients de cette \u00e9tude sont notamment les suivants :<\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Le chercheur n&rsquo;a aucun contr\u00f4le sur la classification des groupes d&rsquo;\u00e9tude, qui ne peuvent pas non plus \u00eatre divis\u00e9s de mani\u00e8re al\u00e9atoire.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Il est possible de cr\u00e9er des biais ou de trouver des relations de cause \u00e0 effet l\u00e0 o\u00f9 elles n&rsquo;existent pas.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Il est difficile pour le chercheur d&rsquo;isoler la variable d\u00e9pendante, ce qui peut entra\u00eener des malentendus.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Connaissez maintenant les d\u00e9tails qui distinguent l&rsquo;<a href=\"https:\/\/www.questionpro.com\/blog\/qualitative-observation\/\">observation qualitative<\/a>.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Diff\u00e9rence entre les \u00e9tudes d&rsquo;observation et les \u00e9tudes exp\u00e9rimentales<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Dans de nombreux cas, les chercheurs ne peuvent recourir qu&rsquo;\u00e0 des \u00e9tudes d&rsquo;observation pour effectuer une analyse approfondie de certains ph\u00e9nom\u00e8nes \u00e9tudi\u00e9s. En outre, il dispose de meilleures techniques pour identifier les variables.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Une autre diff\u00e9rence r\u00e9side dans le fait qu&rsquo;une \u00e9tude d&rsquo;observation est toujours sujette \u00e0 discussion, car elle comporte toujours un certain niveau de biais et des caract\u00e9ristiques susceptibles d&rsquo;affecter les r\u00e9sultats.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Si vous cherchez \u00e0 fixer des objectifs r\u00e9alistes pour votre entreprise de taille moyenne ou grande, l&rsquo;observation est la meilleure pratique. Qu&rsquo;il s&rsquo;agisse de la croissance des ventes ou du <a href=\"https:\/\/www.questionpro.com\/blog\/consumer-behavior-definition\/\">comportement des clients<\/a>, toutes les informations collect\u00e9es seront utiles pour fixer des objectifs sp\u00e9cifiques. Chez QuestionPro, nous pouvons vous aider \u00e0 identifier et \u00e0 r\u00e9soudre des <a href=\"https:\/\/www.questionpro.com\/blog\/research-problem\/\">probl\u00e8mes de recherche<\/a> par le biais d&rsquo;\u00e9tudes d&rsquo;observation.<\/span><\/p>\n<p style=\"text-align: center;\"><a class=\"square-cta secondary-lined-cta\" href=\"https:\/\/www.questionpro.com\/a\/showEntry.do\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>OBTENIR UN COMPTE GRATUIT<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une \u00e9tude d&rsquo;observation se caract\u00e9rise par sa m\u00e9thode statistique et d\u00e9mographique, ce qui en fait un outil largement utilis\u00e9 dans [&hellip;]<\/p>\n","protected":false},"author":45,"featured_media":703880,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1443],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu&#039;est-ce qu&#039;une \u00e9tude par observation ? 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