Argument structure in explaining wave-particle duality of photons in double-slit experiment

A study pre-service teachers’ written reports




photon, wave-particle duality, pre-service teachers, semantic networks, argument structure


We  analyze here how pre-service teachers explicate their views about the wave-particle duality of photons and what role it plays in their arguments supporting the quantum nature of light. The data for the analysis is provided by 12 written reports about the double-slit experiment with feeble light. The analysis is based on constructing semantic networks corresponding to pre-service teachers’ written texts. Contingency-like associative correlation between word-pairs is used to differentiate between word-pairs, where associations of two terms or words is systematic. Such associations indicate connections, which are significant for key term vocabularies in construction of inferences and arguments. Based on that information of the key vocabulary we then construct the structure of pre-service teachers’ argument for the nature of the photon and its wave-particle duality, in the form of directed argument graphs (DAGs). The results show that argument structures in four to six out of 12 cases meet the goals set for pre-service teacher education. In these cases, experimental aspects and wave-particle duality play an important role in the pre-service teachers’ argument and its structure.


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Koponen, I. T., Vuola, K., & Nousiainen, M. (2024). Argument structure in explaining wave-particle duality of photons in double-slit experiment: A study pre-service teachers’ written reports. LUMAT: International Journal on Math, Science and Technology Education, 12(3), 1–29.