{"id":4311,"date":"2014-09-29T15:06:04","date_gmt":"2014-09-29T14:06:04","guid":{"rendered":"http:\/\/emilkirkegaard.dk\/en\/?p=4311"},"modified":"2015-02-11T09:58:47","modified_gmt":"2015-02-11T08:58:47","slug":"assortative-mating-for-iq-a-meta-analysis","status":"publish","type":"post","link":"https:\/\/emilkirkegaard.dk\/en\/2014\/09\/assortative-mating-for-iq-a-meta-analysis\/","title":{"rendered":"Assortative mating for general intelligence: A meta-analysis"},"content":{"rendered":"<p>Can we crowd-fund a meta-analysis? Simply find studies that report summary statistics, and <a href=\"https:\/\/docs.google.com\/spreadsheets\/d\/1M4Ip-ItxiBgVdtVLlwIoErTge_NpOffxvjLtW_0KbCo\/edit#gid=0\">add them to the dataset<\/a>.<\/p>\n<p>The data so far:<\/p>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<colgroup>\n<col width=\"317\" \/>\n<col width=\"100\" \/>\n<col width=\"107\" \/><\/colgroup>\n<tbody>\n<tr>\n<td data-sheets-value=\"[null,2,&quot;Study&quot;]\"><strong>Study<\/strong><\/td>\n<td data-sheets-value=\"[null,2,&quot;N&quot;]\"><strong>N<\/strong><\/td>\n<td data-sheets-value=\"[null,2,&quot;r&quot;]\"><strong>r<\/strong><\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"[null,2,&quot;Willoughby  (1927,  1928), A&quot;]\">Willoughby (1927, 1928), A<\/td>\n<td data-sheets-value=\"[null,3,null,90]\">90<\/td>\n<td data-sheets-value=\"[null,3,null,0.44]\">0.44<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"[null,2,&quot;Willoughby  (1927,  1928), A&quot;]\">Willoughby (1927, 1928), A<\/td>\n<td data-sheets-value=\"[null,3,null,90]\">90<\/td>\n<td data-sheets-value=\"[null,3,null,0.44]\">0.44<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"[null,2,&quot;Jones (1928), A&quot;]\">Jones (1928), A<\/td>\n<td data-sheets-value=\"[null,3,null,105]\">105<\/td>\n<td data-sheets-value=\"[null,3,null,0.6]\" data-sheets-numberformat=\"[null,2,&quot;0.00&quot;,1]\">0.60<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"[null,2,&quot;Burks (1928), A&quot;]\">Burks (1928), A<\/td>\n<td data-sheets-value=\"[null,3,null,274]\">274<\/td>\n<td data-sheets-value=\"[null,3,null,0.47]\">0.47<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"[null,2,&quot;Colom et al 2002&quot;]\">Colom et al 2002<\/td>\n<td data-sheets-value=\"[null,3,null,342]\">342<\/td>\n<td data-sheets-value=\"[null,3,null,0.492]\">0.492<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"[null,2,&quot;Terman and Oden (1959), B&quot;]\">Terman and Oden (1959), B<\/td>\n<td data-sheets-value=\"[null,2,&quot;unknown&quot;]\">unknown<\/td>\n<td data-sheets-value=\"[null,3,null,0.48076923076923]\" data-sheets-numberformat=\"[null,2,&quot;0.000&quot;,1]\">0.481<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td data-sheets-value=\"[null,2,&quot;Total N&quot;]\">Total N<\/td>\n<td data-sheets-value=\"[null,2,&quot;Weighted mean&quot;]\">Weighted mean<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td data-sheets-value=\"[null,3,null,901]\" data-sheets-numberformat=\"[null,0]\" data-sheets-formula=\"=sum(R[-8]C[0]:R[-4]C[0])\">901<\/td>\n<td data-sheets-value=\"[null,3,null,0.48750721420643733]\" data-sheets-numberformat=\"[null,2,&quot;0.000&quot;,1]\" data-sheets-formula=\"=SUMPRODUCT(R[-8]C[-1]:R[-4]C[-1],R[-8]C[0]:R[-4]C[0])\/R[0]C[-1]\">0.488<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td data-sheets-value=\"[null,2,&quot;Median&quot;]\">Median<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td data-sheets-value=\"[null,3,null,0.47538461538461496]\" data-sheets-numberformat=\"[null,2,&quot;0.000&quot;,1]\" data-sheets-formula=\"=MEDIAN(R[-10]C[0]:R[-5]C[0])\">0.475<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Can we crowd-fund a meta-analysis? Simply find studies that report summary statistics, and add them to the dataset. The data so far: Study N r Willoughby (1927, 1928), A 90 0.44 Willoughby (1927, 1928), A 90 0.44 Jones (1928), A 105 0.60 Burks (1928), A 274 0.47 Colom et al 2002 342 0.492 Terman and [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2591,1653],"tags":[1968],"class_list":["post-4311","post","type-post","status-publish","format-standard","hentry","category-intelligence-iq-cognitive-ability","category-psychology","tag-assortative-mating","entry"],"_links":{"self":[{"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/posts\/4311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/comments?post=4311"}],"version-history":[{"count":3,"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/posts\/4311\/revisions"}],"predecessor-version":[{"id":4720,"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/posts\/4311\/revisions\/4720"}],"wp:attachment":[{"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/media?parent=4311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/categories?post=4311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/emilkirkegaard.dk\/en\/wp-json\/wp\/v2\/tags?post=4311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}