Heidelberg 2022 – wissenschaftliches Programm

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DD: Fachverband Didaktik der Physik

DD 18: Lehr-Lernforschung – Schülervorstellungen fachbezogen

DD 18.2: Vortrag

Montag, 21. März 2022, 15:50–16:10, DD-H10

Assessing Austrian high school students' understanding of basic wave optics phenomena using the Conceptual Survey on Wave Optics — •Karolina Matejak Cvenic¹, Maja Planinic¹, Ana Susac², Lana Ivanjek³, Katarina Jelicic¹, and Martin Hopf⁴ — ¹Department of Physics, Faculty of Science, University of Zagreb, Croatia — ²Department of Applied Physics, Faculty of Electrical Engineering and Computing, University of Zagreb, Croatia — ³Faculty of Physics, Physics Education Research, Technische Universität Dresden, Germany — ⁴University of Vienna, Austrian Educational Competence Centre Physics, Austria

The Conceptual Survey on Wave Optics (CSWO) is a new diagnostic instrument aimed at the assessment of high school students' understanding of some basic phenomena of wave optics. The CSWO consists of 26 multiple choice items that include questions about double-slit and optical grating interference, single-slit diffraction, and polarization of light. The final version of the CSWO was administered to 170 students of several Viennese high schools, who took the test in an online form after finishing regular school instructions on wave optics. The survey was conducted during the summer term of school year 2020/21. The Rasch analysis of the results of Austrian students on this survey will be presented and discussed, together with some implications for high school instruction on wave optics. The results suggest that wave optics is a rather difficult topic for high school students, and it seems that recognizing patterns and explaining the basic wave optics phenomena are especially difficult tasks for students.