{"id":8669,"date":"2019-05-22T16:10:14","date_gmt":"2019-05-22T16:10:14","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/oversampling\/"},"modified":"2019-05-22T16:10:14","modified_gmt":"2019-05-22T16:10:14","slug":"oversampling","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/oversampling\/","title":{"rendered":"Oversampling"},"content":{"rendered":"<p>Increasing the proportionate representation of a given group in a study in order to increase the statistical power of tests comparing associations among variables in that group with associations in other study groups. &nbsp;It is a procedure of <a href=\"https:\/\/www.princeton.edu\/~achaney\/tmve\/wiki100k\/docs\/Stratified_sampling.html\" target=\"_self\" data-editable-link=\"https:\/\/www.princeton.edu\/~achaney\/tmve\/wiki100k\/docs\/Stratified_sampling.html&amp;target=_self\" rel=\"noopener noreferrer\">stratified sampling <\/a>involving the selection of a disproportionate number of participants from a particular group or stratum. &nbsp;Typically, this done with a population consisting of rare types. &nbsp;Drawing a random sample could result in just a few or none of such individuals. &nbsp;Oversampling is also used with a stratum that has a large variance. &nbsp; &nbsp;&nbsp;<\/p>\n<p>See <a href=\"sampling_ratios\">Sampling ratios<\/a>, <a href=\"statistical_power\">Statistical power<\/a><\/p>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Increasing the proportionate representation of a given group in a study in order to increase the statistical power of tests comparing associations among variables in that group with associations in other study groups. &nbsp;It is a procedure of stratified sampling involving the selection of a disproportionate number of participants from a particular group or stratum. &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/oversampling\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Oversampling&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2],"class_list":["post-8669","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-glossary","entry"],"_links":{"self":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/comments?post=8669"}],"version-history":[{"count":0,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8669\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=8669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=8669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=8669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}