{"id":7938,"date":"2019-05-22T16:02:17","date_gmt":"2019-05-22T16:02:17","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/factor_analysis\/"},"modified":"2019-05-22T16:02:17","modified_gmt":"2019-05-22T16:02:17","slug":"factor_analysis","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/factor_analysis\/","title":{"rendered":"Factor analysis"},"content":{"rendered":"<p>A set of mathematical and statistical techniques for the analysis of a set of observed or manifest variables (M) in terms of a smaller set of unobserved or latent variables (K&lt;M). &nbsp;<a href=\"http:\/\/www.indiana.edu\/~intell\/spearman.shtml\" class=\"cc-route-enabled\" data-editable-link=\"http:\/\/www.indiana.edu\/~intell\/spearman.shtml&amp;target=_self\" target=\"_self\" rel=\"noopener noreferrer\">Charles E. Spearman<\/a> (1863-1945) is generally acknowledged with devising the technique as a consequence of discovering positive correlations among seemingly unrelated scores derived from tests administered to school children. &nbsp;His solution led him to propose a general mental ability (g) underlying intelligence. &nbsp; &nbsp; &nbsp;&nbsp;<\/p>\n<p>See <a href=\"confirmatory_factor_analysis_-cfa-\">Confirmatory factor analysis (CFA)<\/a>, <a href=\"construct_equivalence\">Construct equivalence<\/a>, <a href=\"crystallized_intelligence\">Crystallized intelligence<\/a>, <a href=\"discriminant_validity\">Discriminant validity<\/a>, <a href=\"exploratory_factor_analysis_-efa-\">Exploratory factor analysis (EFA)<\/a>, <a href=\"factor_loadings\">Factor loadings<\/a>, <a href=\"-g-\">&#8216;g&#8217;<\/a>, <a href=\"latent_factor-score-variable\">Latent factor\/score\/variable<\/a>, <a href=\"measurement_invariance\">Measurement invariance<\/a><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A set of mathematical and statistical techniques for the analysis of a set of observed or manifest variables (M) in terms of a smaller set of unobserved or latent variables (K&lt;M). &nbsp;Charles E. Spearman (1863-1945) is generally acknowledged with devising the technique as a consequence of discovering positive correlations among seemingly unrelated scores derived from &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/factor_analysis\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Factor analysis&#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-7938","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\/7938","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=7938"}],"version-history":[{"count":0,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/7938\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=7938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=7938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=7938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}