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Open peer commentary on the article “Examining the Role of Re-Presentation in Mathematical Problem Solving: An Application of Ernst von Glasersfeld’s Conceptual Analysis” by Victor V. Cifarelli & Volkan Sevim. Upshot: Cifarelli and Sevim discuss the development of individual students’ abstract conceptual structures while problem solving, using constructs for analysis that are consistent with von Glasersfeld’s radical constructivism: re-presentation and reflective abstraction. This commentary discusses the on-going contributions of reflective abstraction to individual and collective learning.
Goodson-Espy T. (2014) Reflective abstraction as an individual and collective learning mechanism. Constructivist Foundations 9(3): 381–383. http://constructivist.info/9/3/381
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