{"id":3367,"date":"2019-04-16T08:43:49","date_gmt":"2019-04-16T07:43:49","guid":{"rendered":"http:\/\/emilkirkegaard.dk\/da\/?p=3367"},"modified":"2019-04-16T08:43:49","modified_gmt":"2019-04-16T07:43:49","slug":"de-famose-27-pressen-rettede-aldrig-deres-egen-fejl-om-helmuth-nyborg","status":"publish","type":"post","link":"https:\/\/emilkirkegaard.dk\/da\/?p=3367","title":{"rendered":"De fam\u00f8se 27%: pressen rettede aldrig deres egen fejl om Helmuth Nyborg"},"content":{"rendered":"<p>Helmuth Nyborg bliver af og til kritiseret for at have p\u00e5st\u00e5et at m\u00e6nd er 27% smartere end kvinder. P\u00e5standen skyldes en artikel fra <a href=\"https:\/\/politiken.dk\/indland\/art4940637\/IQ-forskel-kr%C3%A6ves-bevist\">Politiken (2002)<\/a>, men gentaget et stort antal gange af de andre medier (<a href=\"https:\/\/www.dr.dk\/nyheder\/indland\/maend-er-mere-intelligente-end-kvinder\">DR<\/a>, <a href=\"https:\/\/jyllands-posten.dk\/indland\/ECE3438598\/Forsker-M%C3%A6nd-er-mere-intelligente-end-kvinder\/\">JP<\/a>, <a href=\"http:\/\/nyheder.tv2.dk\/article.php\/id-129994:forsker-m%C3%A6nd-klogere-end-kvinder.html\">TV2<\/a>, m.fl):<\/p>\n<blockquote><p>Hvad hjerneforskere har diskuteret i et \u00e5rhundrede, og almindelige mennesker sk\u00e6ndtes om i \u00e5rtier, er nu if\u00f8lge professor Helmuth Nyborg dokumenteret sort p\u00e5 hvidt: M\u00e6nd er mere intelligente end kvinder. 27 procent mere, for at v\u00e6re helt n\u00f8jagtig.<\/p><\/blockquote>\n<p>Tallet er <a href=\"https:\/\/en.wikipedia.org\/wiki\/Not_even_wrong\">ikke en gang forkert<\/a>, det er nonsens. IQ-skalaen er ikke en s\u00e5kaldt <a href=\"https:\/\/en.wikipedia.org\/wiki\/Level_of_measurement\">ratio skala<\/a>, hvilket betyder at det ikke er meningsfuldt at gange og dividere tal fordi at skalaen ikke har noget absolut 0. Gennemsnittet for IQ-skalaen er arbitr\u00e6rt, man kunne lige s\u00e5 bruge bruge 1000, 0 eller -10. Da procenttal er baseret p\u00e5 at dividere med 100 (pro-cent = per 100) giver procenttal ikke mening. L\u00e6ser man artiklen som Helmuth senere udgav (i <a href=\"https:\/\/pdfs.semanticscholar.org\/240b\/a64fca49cb54304981fed3670945bc69923e.pdf\">2005<\/a>, pressens omtale var baseret p\u00e5 et foredrag p\u00e5 <a href=\"http:\/\/www.isironline.org\/wp-content\/uploads\/2014\/05\/program2002.pdf\">en kongres i 2002<\/a>, hans resum\u00e9 har ikke noget tal p\u00e5 27), s\u00e5 kan man regne ud hvor fejlen hos journalisten m\u00e5ske kom fra:<\/p>\n<p><a href=\"http:\/\/emilkirkegaard.dk\/da\/?attachment_id=3368\" rel=\"attachment wp-att-3368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3368\" src=\"http:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-30-02-1024x579.png\" alt=\"\" width=\"720\" height=\"407\" srcset=\"https:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-30-02-1024x579.png 1024w, https:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-30-02-300x170.png 300w, https:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-30-02-768x434.png 768w, https:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-30-02.png 1027w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Alts\u00e5, der angives en <a href=\"https:\/\/en.wikipedia.org\/wiki\/Point-biserial_correlation_coefficient\">point biserial korrelation<\/a> (hvilket egentlig bare er en Pearson korrelation med \u00e9n bin\u00e6r variabel og en kontinu\u00e6r) p\u00e5 .274 (fra en faktoranalyse, en noget underlig metode at bruge her), og andet sted kan man ogs\u00e5 finde en forventet forskel p\u00e5 0.27 d baseret p\u00e5 hjernest\u00f8rrelse:<\/p>\n<p><a href=\"http:\/\/emilkirkegaard.dk\/da\/?attachment_id=3369\" rel=\"attachment wp-att-3369\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3369\" src=\"http:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-34-11-1024x354.png\" alt=\"\" width=\"720\" height=\"249\" srcset=\"https:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-34-11-1024x354.png 1024w, https:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-34-11-300x104.png 300w, https:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-34-11-768x265.png 768w, https:\/\/emilkirkegaard.dk\/da\/wp-content\/uploads\/Screenshot-from-2019-04-16-09-34-11.png 1030w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>Dette sidste tal kan godt omregnes til en Cohen&#8217;s d, som er 4.05 IQ point.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Helmuth Nyborg bliver af og til kritiseret for at have p\u00e5st\u00e5et at m\u00e6nd er 27% smartere end kvinder. P\u00e5standen skyldes en artikel fra Politiken (2002), men gentaget et stort antal gange af de andre medier (DR, JP, TV2, m.fl): Hvad hjerneforskere har diskuteret i et \u00e5rhundrede, og almindelige mennesker sk\u00e6ndtes om i \u00e5rtier, er nu [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[1803,1623,1721],"class_list":["post-3367","post","type-post","status-publish","format-standard","hentry","category-psykologi","tag-27-procent","tag-helmuth-nyborg","tag-konsforskel"],"_links":{"self":[{"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=\/wp\/v2\/posts\/3367","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3367"}],"version-history":[{"count":1,"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=\/wp\/v2\/posts\/3367\/revisions"}],"predecessor-version":[{"id":3370,"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=\/wp\/v2\/posts\/3367\/revisions\/3370"}],"wp:attachment":[{"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/emilkirkegaard.dk\/da\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}