{"id":981,"date":"2014-10-02T20:36:30","date_gmt":"2014-10-02T19:36:30","guid":{"rendered":"http:\/\/stg-blogs.bmj.com\/adc\/?p=981"},"modified":"2014-09-23T20:40:49","modified_gmt":"2014-09-23T19:40:49","slug":"publication-bias","status":"publish","type":"post","link":"https:\/\/stg-blogs.bmj.com\/adc\/2014\/10\/02\/publication-bias\/","title":{"rendered":"Publication bias."},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" src=\"http:\/\/fishandchipcatering.co.uk\/images\/newspaper_fish_and_chips.jpg\" alt=\"\" width=\"147\" height=\"120\" \/>SO &#8211; you all know about <a href=\"http:\/\/books.google.co.uk\/books?id=Vd4VpxiJp5QC&amp;dq=publication+bias+sutton+meta-analysis&amp;lr=&amp;source=gbs_navlinks_s\">publication bias<\/a>? The fact that nasty, authoritarian Journal Editors, sat with their cigars, expensive brandy and well-roasted coffee look upon trials that don&#8217;t give positive results and consign them to the pit of Rejection?<\/p>\n<p>(That&#8217;s just how it happens.)<\/p>\n<p>Well, there&#8217;s another variants on this theme.<\/p>\n<p>There&#8217;s the &#8220;<a title=\"Reading between the lines part 4: Cherry-picking the best results\" href=\"https:\/\/stg-blogs.bmj.com\/adc\/2013\/11\/02\/reading-between-the-lines-part-4-cherry-picking-the-best-results\/\">we&#8217;ll only write up that outcome measure &#8217;cause it says what we want it to show<\/a>&#8221; bias (aka &#8216;selective outcome reporting&#8217;)<\/p>\n<p>And then there&#8217;s the &#8220;can&#8217;t be arsed&#8221; bias, where studies just don&#8217;t even get written up or presented as their overwhelming lack of showing anything leads their authors to torpor. I particularly hate systematic reviews of case reports for this trouble.<\/p>\n<p>And it happens with normal people too. <a href=\"http:\/\/www.jmir.org\/2014\/8\/e193\/?utm_source=feedburner&amp;utm_medium=feed&amp;utm_campaign=Feed:+Top10Tw1+(Top+10+JMIR+Articles:+Most+Tweeted+(Past+1+month))\">A really lovely piece of work<\/a> shows that Amazon dieting reviews show massive publication bias, probably by self-selection, and that folk buy into believing them wholeheartedly. As PT Barnum said &#8211; &#8220;there&#8217;s one born every minute&#8221;.<\/p>\n<p>&#8211; Archi<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SO &#8211; you all know about publication bias? The fact that nasty, authoritarian Journal Editors, sat with their cigars, expensive brandy and well-roasted coffee look upon trials that don&#8217;t give positive results and consign them to the pit of Rejection? (That&#8217;s just how it happens.) Well, there&#8217;s another variants on this theme. There&#8217;s the &#8220;we&#8217;ll [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/stg-blogs.bmj.com\/adc\/2014\/10\/02\/publication-bias\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-981","post","type-post","status-publish","format-standard","hentry","category-archimedes"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/posts\/981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/comments?post=981"}],"version-history":[{"count":0,"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/posts\/981\/revisions"}],"wp:attachment":[{"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/media?parent=981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/categories?post=981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stg-blogs.bmj.com\/adc\/wp-json\/wp\/v2\/tags?post=981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}