Allen, J. W. P.Bickhard, M. H.2019-02-052019-02-0520150018-716Xhttp://hdl.handle.net/11693/48835EnglishAction-based approachDynamic systemsEmergent constructivismScaffolding and self-scaffoldingStepping back: reflections on a pedagogical demonstration of reflective abstractionArticle10.1159/0004437131423-0054