Piagetian “Staircase” Model (Discontinuous, Homogeneous Stages):
\nStage 4: [Formal Operations] ————————| (Age 11+)
\nStage 3: [Concrete Operations] ————–|
\nStage 2: [Preoperational] ——–|
\nStage 1: [Sensorimotor] ——|
\n (Universal leaps; intra-individual variability treated as anomalous “decalage”)<\/p>\n
Siegler’s Overlapping Waves Model (Continuous, Dynamic Strategy Competition):
\nUsage %
\n 100% | Strategy 1 Strategy 2 Strategy 4
\n | (Count-All) (Min-Count) (Retrieval)
\n 50% | \/ \/
\n | \/ \/ \/ \/
\n | \/ \/ \/ \/\/ \/
\n 0% |_______________\/___\/_____\/_____\/_______
\n Chronological Age \/ Experience<\/p>\n","protected":false},"excerpt":{"rendered":"
A comprehensive academic analysis of Robert Siegler’s life, overlapping waves theory, microgenetic methods, and profound impact on cognitive development.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","categories":[287,698],"tags":[2777,30430,6334,6333,30429],"class_list":["post-13521","psych_theorist","type-psych_theorist","status-publish","hentry","category-cognitive-science","category-developmental-psychology","tag-cognitive-development","tag-mathematical-cognition","tag-microgenetic-method","tag-overlapping-waves-theory","tag-robert-siegler"],"_links":{"self":[{"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/psych_theorist\/13521","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/psych_theorist"}],"about":[{"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/types\/psych_theorist"}],"author":[{"embeddable":true,"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ashadocs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13521"}],"version-history":[{"count":0,"href":"https:\/\/ashadocs.org\/index.php?rest_route=\/wp\/v2\/psych_theorist\/13521\/revisions"}],"wp:attachment":[{"href":"https:\/\/ashadocs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ashadocs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ashadocs.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}