{"id":8947,"date":"2019-05-22T16:13:15","date_gmt":"2019-05-22T16:13:15","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/repeated_measures_analysis_of_variance\/"},"modified":"2019-05-22T16:13:15","modified_gmt":"2019-05-22T16:13:15","slug":"repeated_measures_analysis_of_variance","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/repeated_measures_analysis_of_variance\/","title":{"rendered":"Repeated measures analysis of variance"},"content":{"rendered":"<p>Analysis of variance of measures that are repeatedly observed on the same respondents, who thus serve as their own controls. &nbsp;Such a within-subject design has two advantages: more data per participant and more power because between-subject differences can be factored out of the error term. &nbsp;An important assumption in such designs is that of sphericity.&nbsp;<\/p>\n<p>See <a href=\"analysis_of_variance_-anova-\">Analysis of variance (ANOVA)<\/a>, <a href=\"bock-s_profile_analysis\">Bock&#8217;s profile analysis<\/a>, <a href=\"compound_symmetry\">Compound symmetry<\/a>, <a href=\"error_term\">Error term<\/a>, <a href=\"latent_growth_model\">Latent growth model<\/a>, <a href=\"mauchly_test\">Mauchly test<\/a>, <a href=\"mixed-effects_models\">Mixed-effects models<\/a>, <a href=\"sphericity\">Sphericity<\/a>, <a href=\"sphericity_assumption\">Sphericity assumption<\/a><\/p>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analysis of variance of measures that are repeatedly observed on the same respondents, who thus serve as their own controls. &nbsp;Such a within-subject design has two advantages: more data per participant and more power because between-subject differences can be factored out of the error term. &nbsp;An important assumption in such designs is that of sphericity.&nbsp; &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/repeated_measures_analysis_of_variance\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Repeated measures analysis of variance&#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-8947","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\/8947","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=8947"}],"version-history":[{"count":0,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8947\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=8947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=8947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=8947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}