{"id":8526,"date":"2019-05-22T16:08:39","date_gmt":"2019-05-22T16:08:39","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/necessary_and_sufficient_conditions\/"},"modified":"2019-05-22T16:08:39","modified_gmt":"2019-05-22T16:08:39","slug":"necessary_and_sufficient_conditions","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/necessary_and_sufficient_conditions\/","title":{"rendered":"Necessary and sufficient conditions"},"content":{"rendered":"<p>A necessary (or <span class=\"\" style=\"font-style: italic;\">sine qua non<\/span>) condition is one without which development would not be forthcoming. &nbsp;Such conditions have been sought in deprivation studies. &nbsp;A sufficient condition is one with which development does occur, and as such has been the concern of enrichment or special experience studies. &nbsp;Necessary and sufficient conditions do not have to be causal in nature; they may be causally connected with what it is they are a condition of, without being the cause of it (e.g., a behavioral or brain state may be a necessary condition for selective attention, but it is not the cause of it). Having read this entry, you may think the distinction between necessary and sufficient. &nbsp;In terms of making decisions, it can be quite <a href=\"http:\/\/www.sfu.ca\/~swartz\/conditions1.htm\" data-editable-link=\"http:\/\/www.sfu.ca\/~swartz\/conditions1.htm&amp;target=_self\" target=\"_self\" rel=\"noopener noreferrer\">complicated process<\/a>,&nbsp;<\/p>\n<p>See <a href=\"antecedent-consequent_relationships\">Antecedent-consequent relationships<\/a>, <a href=\"causality_-in_philosophy-\">Causality (in philosophy)<\/a>, <a href=\"co-factor\">Co-factor<\/a>, <a href=\"essentialism\">Essentialism<\/a>, <a href=\"moral_development\">Moral development<\/a>, <a href=\"radical_behaviorism_-or_environmentalism-\">Radical behaviorism (or environmentalism)<\/a>, <a href=\"sphericity_assumption\">Sphericity assumption<\/a><\/p>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A necessary (or sine qua non) condition is one without which development would not be forthcoming. &nbsp;Such conditions have been sought in deprivation studies. &nbsp;A sufficient condition is one with which development does occur, and as such has been the concern of enrichment or special experience studies. &nbsp;Necessary and sufficient conditions do not have to &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/necessary_and_sufficient_conditions\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Necessary and sufficient conditions&#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-8526","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\/8526","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=8526"}],"version-history":[{"count":0,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/8526\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=8526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=8526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=8526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}