Author: Erik S. Tillema


Indiana University Purdue University Indianapolis, USA


Short Bio

Erik Tillema is a newly-tenured faculty member at Indiana University Purdue University Indianapolis. Recently, he has been the PI on two grants aimed at investigating how middle-grade students establish power meanings of multiplication. He has published much of his work in this area. Prior to being a faculty member, he taught middle and high school for 4 years.

Publications in Constructivist Foundations

Reader Impact Factor: 2.53 The RIF of an author expresses how many times more often the texts of this author have been downloaded than the average text, i.e., RIF = dn/D, with d = number of downloads of all texts of this author, D = number of all downloads of all texts, n = number of all texts published.

Approaches covered: This is the list of constructivist approaches covered in Erik S. Tillema’s publications in Constructivist Foundations. For a list of all approaches see http://approaches.cepa.info
Radical Constructivism


Erik S. Tillema (2016)

Investigating Teaching from a Constructivist Stance: A Model of Communication

Constructivist Foundations 12(1): 70–72

Erik S. Tillema (2014)

Reflecting on a Radical Constructivist Approach to Problem Solving

Constructivist Foundations 9(3): 383–385

Erik S. Tillema, Amy J. Hackenberg, Catherine Ulrich & Anderson Norton (2014)

Authors’ Response: Interaction: A Core Hypothesis of Radical Constructivist Epistemology

Constructivist Foundations 9(3): 354–359

Catherine Ulrich, Erik S. Tillema, Amy J. Hackenberg & Anderson Norton (2014)

Constructivist Model Building: Empirical Examples From Mathematics Education

Constructivist Foundations 9(3): 328–339

Radical Constructivism

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