{"id":7358,"date":"2019-05-22T15:56:01","date_gmt":"2019-05-22T15:56:01","guid":{"rendered":"http:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/bayley_scales_of_infant_and_toddler_development\/"},"modified":"2019-05-22T15:56:01","modified_gmt":"2019-05-22T15:56:01","slug":"bayley_scales_of_infant_and_toddler_development","status":"publish","type":"post","link":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/bayley_scales_of_infant_and_toddler_development\/","title":{"rendered":"Bayley Scales of Infant and Toddler Development"},"content":{"rendered":"<p>Used to assess infant and toddler mental and motor development through a series of standardized tasks. &nbsp;From performance on the tasks, a normed developmental quotient is derived for each scale. &nbsp;The Mental Scale is designed to assess a range of responses involving, for example, object permanence, memory, problem solving, and language-related abilities. &nbsp;The Motor Scale assesses both fine and gross motor abilities (including postural control). &nbsp;A third, 30 item, scale, referred to as the Behavior Rating Scale, provides additional information concerning attention, emotional regulation and the quality of movements. &nbsp;More recently, the Bayley-III Cognitive and Language Scales were made available as a means of assessing infants at risk for subsequent developmental problems. &nbsp;There are two other Bayley-II Scales that incorporate parental reports about social responsiveness, imitation, self-control and interactions with other children. &nbsp;All told, the Scales have been validated for children from 1 to 42 months, with the Mental and Motor Scales having high test-retest reliabilities (..83 and .77, respectively). &nbsp;The Scales were originally devised by&nbsp;<a href=\"http:\/\/faculty.webster.edu\/woolflm\/bayley.html\" data-editable-link=\"http:\/\/faculty.webster.edu\/woolflm\/bayley.html?target=_self\" target=\"_self\" rel=\"noopener noreferrer\">Nancy Bayley<\/a>&nbsp;(1899-1994), and first published in 1969. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<\/p>\n<p>See&nbsp;Ages and Stages Questionnaire (ASQ),&nbsp;Developmental screening, Developmental readiness, Diagnosis (or diacrisis),&nbsp;Gesell&#8217;s Developmental Schedules (or Scales),&nbsp;MacArthur-Bates Child Development Index (CDI), Motor development, Mullen Scales of Early Learning, Object permanence<\/p>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Used to assess infant and toddler mental and motor development through a series of standardized tasks. &nbsp;From performance on the tasks, a normed developmental quotient is derived for each scale. &nbsp;The Mental Scale is designed to assess a range of responses involving, for example, object permanence, memory, problem solving, and language-related abilities. &nbsp;The Motor Scale &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/bayley_scales_of_infant_and_toddler_development\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Bayley Scales of Infant and Toddler Development&#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-7358","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\/7358","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=7358"}],"version-history":[{"count":0,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/posts\/7358\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/media?parent=7358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/categories?post=7358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancaster.ac.uk\/fas\/psych\/glossary\/wp-json\/wp\/v2\/tags?post=7358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}