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International cooperation

  • Since 2012 Senior Research Associate at the University of Johannesburg (South Africa)
  • Cooperation with the Centre for Education Practice Research

MARKO-D international

Cooperation with international partners for the development and standardisation of the mathematical competency test

The MARKO-D test series (Hogrefe) is based on the developmental model of mathematical competencies according to Fritz & Ricken and Fritz, Ehlert & Balzer. The development model is validated in different national languages with various international partners and the MARKO-D test procedure series is tested and standardised.

Internal project partners: Annemarie Fritz Stratmann, Antje Ehlert, partly Lars Balzer (Swiss Federal Institute for Vocational Education and Training - Switzerland) and Moritz Herzog (University of Wuppertal)

Cooperation Partners


Pontificial Catholic University of Chile (UC)
Escuela de Psicología

Prof. Dr. Ricardo Rosas

Victoria Espinoza



University of Gent
Department of Experimental Clinical and Health Psychology

Prof. Dr. Annemie Desoete


University of Seged
Institute of Education

Prof. Benő Csapó DSc

Prof. Gyöngyvér Molnár

South Africa:

University of Johannesburg

Prof. Dr. Elizabeth Henning

Dr. Lara Ragpot (now in Canada)