Fostering Formal Commutativity Knowledge with Approximate Arithmetic

• Sonja Maria Hansen ,

  * E-mail: sonja.hansen@uni-koeln.de

  Affiliation University of Cologne, Department of Psychology, Cologne, Germany

  ⨯
• Hilde Haider,

  Affiliation University of Cologne, Department of Psychology, Cologne, Germany

  ⨯
• Alexandra Eichler,

  Affiliation University of Cologne, Department of Psychology, Cologne, Germany

  ⨯
• Claudia Godau,

  Affiliation Humboldt-Universität zu Berlin, Exzellenzcluster Bild Wissen Gestaltung, Berlin, Germany

  ⨯
• Peter A. Frensch,

  Affiliation Humboldt-Universität zu Berlin, Exzellenzcluster Bild Wissen Gestaltung, Berlin, Germany

  ⨯
• Robert Gaschler

  Affiliations Humboldt-Universität zu Berlin, Exzellenzcluster Bild Wissen Gestaltung, Berlin, Germany, FernUniversität in Hagen, Department of Psychology, Hagen, Germany

  ⨯