{"id":3355,"date":"2018-12-11T11:15:02","date_gmt":"2018-12-11T10:15:02","guid":{"rendered":"http:\/\/wp.unil.ch\/esspace\/?p=3355"},"modified":"2018-12-17T10:56:27","modified_gmt":"2018-12-17T09:56:27","slug":"marc-dupuis","status":"publish","type":"post","link":"https:\/\/wp.unil.ch\/esspace\/2018\/12\/marc-dupuis\/","title":{"rendered":"Marc Dupuis"},"content":{"rendered":"<p><strong>Application of the functional method for assessing response biases in mental health questionnaires<\/strong><\/p>\n<p><!--more--><\/p>\n<p><em>D\u00e9tenteur d\u2019un Master en psychologie, Marc Dupuis a soutenu sa th\u00e8se de doctorat le 4 octobre 2018, sous la direction de Roland Capel (MER, IP). Ses principaux domaines de recherche se situant \u00e0 la fronti\u00e8re entre psychologie, \u00e9pid\u00e9miologie, et m\u00e9thodes quantitatives, il travaille actuellement comme post-doctorant en statistiques, et vient d\u2019\u00eatre nomm\u00e9 Ma\u00eetre-assistant en sant\u00e9 publique \u00e0 l\u2019Universit\u00e9 de Gen\u00e8ve.<\/em><\/p>\n<p>Lorsqu\u2019il est demand\u00e9 de fournir une photo passeport, il est \u00e9videmment attendu qu\u2019elle soit d\u2019une d\u00e9finition suffisante et nette\u00a0; autrement dit, qu\u2019elle soit \u00e0 la fois porteuse d\u2019un maximum d\u2019informations et d\u2019un minimum d\u2019impr\u00e9cisions. Pour autant, cette exigence est loin d\u2019\u00eatre respect\u00e9e lorsque le portrait n\u2019est pas le r\u00e9sultat de la photographie, mais de questionnaires psychologiques. Il est en effet courant que les r\u00e9sultats de tests soient trait\u00e9s comme de simples sommes de points, et interpr\u00e9t\u00e9s ind\u00e9pendamment de la capacit\u00e9 de la personne \u00e0 comprendre les questions ou les enjeux de l\u2019\u00e9valuation, ou encore du soin apport\u00e9 \u00e0 r\u00e9pondre.<\/p>\n<p>Au travers de six recherches, cette th\u00e8se propose \u00e0 la fois de mesurer la fiabilit\u00e9 et l\u2019interpr\u00e9tabilit\u00e9 des r\u00e9ponses \u00e0 des questionnaires, mais \u00e9galement de s\u2019int\u00e9resser \u00e0 la baisse de qualit\u00e9 des informations transmises chez les personnes souffrant de troubles mentaux. Apr\u00e8s une introduction des concepts fondamentaux en th\u00e9orie des tests et de leur \u00e9volution, un premier volet pr\u00e9sente une m\u00e9thode psychom\u00e9trique d\u00e9velopp\u00e9e \u00e0 Lausanne, la <em>m\u00e9thode fonctionnelle,<\/em> d\u2019un point de vue th\u00e9orique, la compare aux th\u00e9ories psychom\u00e9triques dominantes, et l\u2019\u00e9prouve au moyen de simulations math\u00e9matiques. Le second volet consiste en l\u2019\u00e9tude du lien entre maladie psychique et qualit\u00e9 des donn\u00e9es de questionnaires aupr\u00e8s d\u2019environ 2&rsquo;000 personnes de la population lausannoise, de l\u2019impact des troubles \u00e0 celui des sympt\u00f4mes.<\/p>\n<p>La pr\u00e9sence de troubles mentaux, mais aussi plus simplement de leurs sympt\u00f4mes, pr\u00e9sents ou pass\u00e9s dans le parcours de vie, explique en de tr\u00e8s larges proportions les variations dans la qualit\u00e9 des informations fournies par les individus. Ce constat incite les professionnels \u00e0 une posture critique quant \u00e0 l\u2019administration et l\u2019interpr\u00e9tation de tests aupr\u00e8s des populations souffrant de troubles psychiques. Dans un effort de favoriser le travail de ces praticiens, le docteur Dupuis et ses coll\u00e8gues poursuivent leurs travaux en impl\u00e9mentant la m\u00e9thode \u00e9tudi\u00e9e dans le logiciel statistique <em>R<\/em> pour la rendre librement accessible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Application of the functional method for assessing response biases in mental health questionnaires<\/p>\n","protected":false},"author":163,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_uag_custom_page_level_css":"","_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"footnotes":""},"categories":[19451],"tags":[],"class_list":["post-3355","post","type-post","status-publish","format-standard","category-theses"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"hitmag-landscape":false,"hitmag-featured":false,"hitmag-grid":false,"hitmag-list":false,"hitmag-thumbnail":false,"gform-image-choice-sm":false,"gform-image-choice-md":false,"gform-image-choice-lg":false,"mailpoet_newsletter_max":false},"uagb_author_info":{"display_name":"sschlat1","author_link":"https:\/\/wp.unil.ch\/esspace\/author\/sschlat1\/"},"uagb_comment_info":0,"uagb_excerpt":"Application of the functional method for assessing response biases in mental health questionnaires","_links":{"self":[{"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/posts\/3355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/users\/163"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/comments?post=3355"}],"version-history":[{"count":0,"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/posts\/3355\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/media?parent=3355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/categories?post=3355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.unil.ch\/esspace\/wp-json\/wp\/v2\/tags?post=3355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}