I guess it is fair to say that I started my research as a phenomenographer. In my first papers which were mostly about the notion of equivalence, there were always a few lines about phenomenography. Gradually, the research areas that I worked on increased and my explicit reference to phenomenography decreased to zero. However, it seems that it was always with me in whatever I did. I’ve always believed in certain principles, that, any phenomenon can be understood (experienced) in different (though limited numbers of) ways, that, the way someone understands something is somehow related to the way (s)he uses it. And finally something of different nature but decisive in my research is the wish of helping learners to learn better and not just showing where they fail.

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AlgebraEarly Algebra

2016. Int J of Sci and Math Educ. doi:10.1007/s10763-016-9759-1

Publication year: 2016

DefinitionEquivalenceHistoryPhenomenography

2009. Educational Studies in Mathematics, 71(3), 219-234

Publication year: 2009

Examples

2007. Proceedings of the 31st Conference of the International Group for the Psychology of Mathematics Education, Vol. 2, pp. 25-32. Seoul: PME.

Publication year: 2007

Examples

2005. Proceedings of the sixth British Congress of Mathematics Education held at the University of Warwick, pp. 25-32.

Publication year: 2005

DefinitionEquivalencePhenomenography

2005. Proceedings of the 29th Conference of the International Group for the Psychology of Mathematics Education, Vol. 2, pp. 81-88. Melbourne: PME.

Publication year: 2005

CalculusPhenomenography

2012. PRIMUS: Problems, Resources, and Issues in Mathematics Undergraduate Studies, 22,7, pp. 509-524.

Publication year: 2012

DefinitionEquivalencePhenomenography

2005. Research in Mathematics Education 7, 1, pp. 33-45.

Publication year: 2005

Geometry

2013. Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education, Vol. 5, p. 62. Kiel, Germany: PME.

Publication year: 2013

Algebra

2013. Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education, Vol. 5, p. 35. Kiel, Germany: PME.

Publication year: 2013

Algebra

2013. Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education, Vol. 3, pp. 153-160. Kiel, Germany: PME.

Publication year: 2013