Using multimedia questionnaires to study influences on the decisions mathematics teachers make in instructional situations. (English)

ZDM, Math. Educ. 48, No. 1-2, 167-183 (2016).

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The semiotic structure of geometry diagrams: how textbook diagrams convey meaning. (English)

J. Res. Math. Educ. 46, No. 2, 147-195 (2015).

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What details do geometry teachers expect in students’ proofs? A method for experimentally testing possible classroom norms. (English)

Nicol, Cynthia (ed.) et al., Proceedings of the 38th conference of the International Group for the Psychology of Mathematics Education “Mathematics education at the edge", PME 38 held jointly with the 36th conference of PME-NA, Vancouver, Canada, July 15‒20, 2014, Vol. 2. [s. l.]: International Group for the Psychology of Mathematics Education (ISBN 978-0-86491-360-9/set; 978-0-86491-362-3/v.2). 393-400 (2014).

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Mathematics teachers’ recognition of an obligation to the discipline and its role in the justification of instructional actions. (English)

Oesterle, Susan (ed.) et al., Proceedings of the 38th conference of the International Group for the Psychology of Mathematics Education “Mathematics education at the edge", PME 38 held jointly with the 36th conference of PME-NA, Vancouver, Canada, July 15‒20, 2014, Vol. 3. [s. l.]: International Group for the Psychology of Mathematics Education (ISBN 978-0-86491-360-9/set; 978-0-86491-363-0/v.3). 273-280 (2014).

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