{"id":557,"date":"2023-03-03T19:13:19","date_gmt":"2023-03-03T19:13:19","guid":{"rendered":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/chapter\/lifespan-theories-cognitive-development\/"},"modified":"2025-12-30T20:40:02","modified_gmt":"2025-12-30T20:40:02","slug":"lifespan-theories-cognitive-development","status":"publish","type":"chapter","link":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/chapter\/lifespan-theories-cognitive-development\/","title":{"raw":"Child Development: Learn It 3\u2014Piaget's Theory of Cognitive Development","rendered":"Child Development: Learn It 3\u2014Piaget&#8217;s Theory of Cognitive Development"},"content":{"raw":"[caption id=\"\" align=\"alignright\" width=\"199\"]<img class=\"\" src=\"https:\/\/textimgs.s3.amazonaws.com\/ospsych\/m49109\/CNX_Psych_09_03_Piaget.jpg#fixme\" alt=\"A photograph depicts Jean Piaget in his later years.\" width=\"199\" height=\"333\" data-media-type=\"image\/jpeg\" \/> <strong>Figure 1<\/strong>. Jean Piaget spent over 50 years studying children and how their minds develop.[\/caption]\r\n\r\n<h2>Cognitive Development<\/h2>\r\n<p class=\"ab-test-alternative\">Just as there are <em>physical <\/em>milestones that we expect children to reach, there are also <em>cognitive <\/em>milestones. It is helpful to be aware of these milestones as children gain new abilities to think, problem-solve, and communicate. For example, infants shake their head \u201cno\u201d around 6\u20139 months, and they respond to verbal requests to do things like \u201cwave bye-bye\u201d or \u201cblow a kiss\u201d around 9\u201312 months.<\/p>\r\n<h3>Piaget's Theory of Cognitive Development<\/h3>\r\n<p>Jean Piaget's (1896\u20131980) theory of cognitive development holds that our cognitive abilities develop through specific stages, which exemplifies the discontinuity approach to development. As we progress to a new stage, there is a distinct shift in how we think and reason.<\/p>\r\n<p>Piaget said that children develop schemata to help them understand the world.<\/p>\r\n<section class=\"textbox recall\">Piaget proposed that children develop <strong>schemas<\/strong> (plural: <strong>schemata<\/strong>) to help them understand the world. A schema is a concept or mental model that we use to categorize and interpret information. By adulthood, we have created schemas for almost everything.<\/section>\r\n<p>By the time children have reached adulthood, they have created schemas for almost everything. When children learn new information, they adjust their schema through two processes: assimilation and accommodation.<\/p>\r\n<section class=\"textbox keyTakeaway\">\r\n<h3>assimilation and accommodation<\/h3>\r\n<p class=\"font-claude-response-body whitespace-normal break-words\"><strong>Assimilation<\/strong> is incorporating new information into existing schemas. This occurs when new information aligns with what we already know.<br \/>\r\n<br \/>\r\n<\/p>\r\n<p class=\"font-claude-response-body whitespace-normal break-words\"><strong>Accommodation<\/strong> is modifying existing schemas to fit new information that does not align with our current understanding.<\/p>\r\n<\/section>\r\n<p>This process continues as children interact with their environment.<\/p>\r\n<section class=\"textbox example\" aria-label=\"Example\">\r\n<h3>Accommodating Schemas<\/h3>\r\n<p class=\"font-claude-response-body whitespace-normal break-words\">Two-year-old Blake learned the schema for dogs because his family has a Labrador retriever. When Blake sees other dogs in picture books, he says, \"Look mommy, dog!\" He has assimilated these new dogs into his existing schema.<\/p>\r\n<p class=\"font-claude-response-body whitespace-normal break-words\">One day, Blake sees a sheep for the first time and says, \"Look mommy, dog!\" His current schema categorizes all furry, four-legged creatures as dogs. When Blake's mom tells him the animal is a sheep, not a dog, Blake must accommodate his schema. He now understands that his schema for \"dog\" was too broad. He modifies his dog schema to be more specific and creates a new schema for sheep.<\/p>\r\n<p class=\"font-claude-response-body whitespace-normal break-words\">This process continues throughout development as children interact with their environment.<\/p>\r\n<\/section>\r\n<section class=\"textbox tryIt\">[ohm2_question height=\"1000\"]4282[\/ohm2_question]<\/section>\r\n<section id=\"fs-idm63810400\" class=\"critical-thinking\" data-depth=\"1\">\r\n<section class=\"textbox keyTakeaway\">\r\n<h3>Piaget's Stages of Cognitive Development<\/h3>\r\n<p>Like Freud and Erikson, Piaget thought development unfolds in a series of stages approximately associated with age ranges. He proposed a theory of cognitive development that unfolds in four stages: sensorimotor, preoperational, concrete operational, and formal operational.<\/p>\r\n<table summary=\"A four columned table outlines Piaget's stages of cognitive development. From left to right, the rows are labeled \u201cAge (years); Stage; Description; and Developmental issues.\u201d The first row contains \u201c0-2; sensorimotor; world experienced through senses and actions; and object permanence, stranger anxiety.\u201d The second row contains \u201c2-6; preoperational; use words and images to represent things, but lack logical reasoning; and pretend play, egocentrism, language development.\u201d The third row contains \u201c7-11; concrete operational; understand concrete events and analogies logically, perform arithmetical operations; and conservation, mathematical transformations\u201d The fourth row contains \u201c12-; formal operational; formal operations, utilize abstract reasoning; and abstract logic, moral reasoning.\u201d\">\r\n<caption>Table 1. Piaget\u2019s Stages of Cognitive Development<\/caption>\r\n<thead>\r\n<tr>\r\n<th scope=\"col\">Age (years)<\/th>\r\n<th scope=\"col\">Stage<\/th>\r\n<th scope=\"col\">Description<\/th>\r\n<th scope=\"col\">Developmental issues<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>0\u20132<\/td>\r\n<td>Sensorimotor<\/td>\r\n<td>The world is experienced through senses and actions<\/td>\r\n<td>Object permanence<br \/>\r\nStranger anxiety<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2\u20137<\/td>\r\n<td>Preoperational<\/td>\r\n<td>Use words and images to represent things, but lack logical reasoning<\/td>\r\n<td>Pretend play<br \/>\r\nEgocentrism<br \/>\r\nLanguage development<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7\u201311<\/td>\r\n<td>Concrete operational<\/td>\r\n<td>Understand concrete events and analogies logically; perform arithmetical operations<\/td>\r\n<td>Conservation<br \/>\r\nMathematical transformations<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>11\u2013<\/td>\r\n<td>Formal operational<\/td>\r\n<td>Formal operations<br \/>\r\nUtilize abstract reasoning<\/td>\r\n<td>Abstract logic<br \/>\r\nMoral reasoning<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3>\u00a0<\/h3>\r\n<\/section>\r\n<\/section>","rendered":"<figure style=\"width: 199px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/textimgs.s3.amazonaws.com\/ospsych\/m49109\/CNX_Psych_09_03_Piaget.jpg#fixme\" alt=\"A photograph depicts Jean Piaget in his later years.\" width=\"199\" height=\"333\" data-media-type=\"image\/jpeg\" \/><figcaption class=\"wp-caption-text\"><strong>Figure 1<\/strong>. Jean Piaget spent over 50 years studying children and how their minds develop.<\/figcaption><\/figure>\n<h2>Cognitive Development<\/h2>\n<p class=\"ab-test-alternative\">Just as there are <em>physical <\/em>milestones that we expect children to reach, there are also <em>cognitive <\/em>milestones. It is helpful to be aware of these milestones as children gain new abilities to think, problem-solve, and communicate. For example, infants shake their head \u201cno\u201d around 6\u20139 months, and they respond to verbal requests to do things like \u201cwave bye-bye\u201d or \u201cblow a kiss\u201d around 9\u201312 months.<\/p>\n<h3>Piaget&#8217;s Theory of Cognitive Development<\/h3>\n<p>Jean Piaget&#8217;s (1896\u20131980) theory of cognitive development holds that our cognitive abilities develop through specific stages, which exemplifies the discontinuity approach to development. As we progress to a new stage, there is a distinct shift in how we think and reason.<\/p>\n<p>Piaget said that children develop schemata to help them understand the world.<\/p>\n<section class=\"textbox recall\">Piaget proposed that children develop <strong>schemas<\/strong> (plural: <strong>schemata<\/strong>) to help them understand the world. A schema is a concept or mental model that we use to categorize and interpret information. By adulthood, we have created schemas for almost everything.<\/section>\n<p>By the time children have reached adulthood, they have created schemas for almost everything. When children learn new information, they adjust their schema through two processes: assimilation and accommodation.<\/p>\n<section class=\"textbox keyTakeaway\">\n<h3>assimilation and accommodation<\/h3>\n<p class=\"font-claude-response-body whitespace-normal break-words\"><strong>Assimilation<\/strong> is incorporating new information into existing schemas. This occurs when new information aligns with what we already know.<\/p>\n<p class=\"font-claude-response-body whitespace-normal break-words\"><strong>Accommodation<\/strong> is modifying existing schemas to fit new information that does not align with our current understanding.<\/p>\n<\/section>\n<p>This process continues as children interact with their environment.<\/p>\n<section class=\"textbox example\" aria-label=\"Example\">\n<h3>Accommodating Schemas<\/h3>\n<p class=\"font-claude-response-body whitespace-normal break-words\">Two-year-old Blake learned the schema for dogs because his family has a Labrador retriever. When Blake sees other dogs in picture books, he says, &#8220;Look mommy, dog!&#8221; He has assimilated these new dogs into his existing schema.<\/p>\n<p class=\"font-claude-response-body whitespace-normal break-words\">One day, Blake sees a sheep for the first time and says, &#8220;Look mommy, dog!&#8221; His current schema categorizes all furry, four-legged creatures as dogs. When Blake&#8217;s mom tells him the animal is a sheep, not a dog, Blake must accommodate his schema. He now understands that his schema for &#8220;dog&#8221; was too broad. He modifies his dog schema to be more specific and creates a new schema for sheep.<\/p>\n<p class=\"font-claude-response-body whitespace-normal break-words\">This process continues throughout development as children interact with their environment.<\/p>\n<\/section>\n<section class=\"textbox tryIt\"><iframe loading=\"lazy\" id=\"ohm4282\" class=\"resizable\" src=\"https:\/\/ohm.one.lumenlearning.com\/multiembedq.php?id=4282&theme=lumen&iframe_resize_id=ohm4282&source=tnh&show_question_numbers\" width=\"100%\" height=\"1000\"><\/iframe><\/section>\n<section id=\"fs-idm63810400\" class=\"critical-thinking\" data-depth=\"1\">\n<section class=\"textbox keyTakeaway\">\n<h3>Piaget&#8217;s Stages of Cognitive Development<\/h3>\n<p>Like Freud and Erikson, Piaget thought development unfolds in a series of stages approximately associated with age ranges. He proposed a theory of cognitive development that unfolds in four stages: sensorimotor, preoperational, concrete operational, and formal operational.<\/p>\n<table summary=\"A four columned table outlines Piaget's stages of cognitive development. From left to right, the rows are labeled \u201cAge (years); Stage; Description; and Developmental issues.\u201d The first row contains \u201c0-2; sensorimotor; world experienced through senses and actions; and object permanence, stranger anxiety.\u201d The second row contains \u201c2-6; preoperational; use words and images to represent things, but lack logical reasoning; and pretend play, egocentrism, language development.\u201d The third row contains \u201c7-11; concrete operational; understand concrete events and analogies logically, perform arithmetical operations; and conservation, mathematical transformations\u201d The fourth row contains \u201c12-; formal operational; formal operations, utilize abstract reasoning; and abstract logic, moral reasoning.\u201d\">\n<caption>Table 1. Piaget\u2019s Stages of Cognitive Development<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Age (years)<\/th>\n<th scope=\"col\">Stage<\/th>\n<th scope=\"col\">Description<\/th>\n<th scope=\"col\">Developmental issues<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0\u20132<\/td>\n<td>Sensorimotor<\/td>\n<td>The world is experienced through senses and actions<\/td>\n<td>Object permanence<br \/>\nStranger anxiety<\/td>\n<\/tr>\n<tr>\n<td>2\u20137<\/td>\n<td>Preoperational<\/td>\n<td>Use words and images to represent things, but lack logical reasoning<\/td>\n<td>Pretend play<br \/>\nEgocentrism<br \/>\nLanguage development<\/td>\n<\/tr>\n<tr>\n<td>7\u201311<\/td>\n<td>Concrete operational<\/td>\n<td>Understand concrete events and analogies logically; perform arithmetical operations<\/td>\n<td>Conservation<br \/>\nMathematical transformations<\/td>\n<\/tr>\n<tr>\n<td>11\u2013<\/td>\n<td>Formal operational<\/td>\n<td>Formal operations<br \/>\nUtilize abstract reasoning<\/td>\n<td>Abstract logic<br \/>\nMoral reasoning<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u00a0<\/h3>\n<\/section>\n<\/section>\n","protected":false},"author":20,"menu_order":11,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc-attribution\",\"description\":\"Lifespan Theories\",\"author\":\"OpenStax\",\"organization\":\"\",\"url\":\"https:\/\/openstax.org\/books\/psychology-2e\/pages\/9-2-lifespan-theories\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"Download for free at https:\/\/openstax.org\/books\/psychology-2e\/pages\/1-introduction\"},{\"type\":\"cc\",\"description\":\"Piaget\\'s Criticisms\",\"author\":\"\",\"organization\":\"Noba Psychology\",\"url\":\"\",\"project\":\"The Noba Project\",\"license\":\"cc-by-nc-sa\",\"license_terms\":\"\"}]","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"part":545,"module-header":"learn_it","content_attributions":null,"internal_book_links":[],"video_content":null,"cc_video_embed_content":{"cc_scripts":"","media_targets":[]},"try_it_collection":null,"_links":{"self":[{"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/pressbooks\/v2\/chapters\/557"}],"collection":[{"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/wp\/v2\/users\/20"}],"version-history":[{"count":16,"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/pressbooks\/v2\/chapters\/557\/revisions"}],"predecessor-version":[{"id":7321,"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/pressbooks\/v2\/chapters\/557\/revisions\/7321"}],"part":[{"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/pressbooks\/v2\/parts\/545"}],"metadata":[{"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/pressbooks\/v2\/chapters\/557\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/wp\/v2\/media?parent=557"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/pressbooks\/v2\/chapter-type?post=557"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/wp\/v2\/contributor?post=557"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/content.one.lumenlearning.com\/introductiontopsychology\/wp-json\/wp\/v2\/license?post=557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}