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DD: Fachverband Didaktik der Physik

DD 10: Postersession 1: Lehr- und Lernforschung

DD 10.8: Poster

Montag, 21. März 2022, 11:30–12:30, P

The Public's Knowledge on Radioactivity: What effect does the passing of time after graduation and the type of school attended make? — Eva Holzinger and •Michael M Hull — University of Vienna

Physics is an unpopular topic in casual conversation today. This may be due to the fact that many adults do not remember any physics that they supposedly learned at school. This paper will address this hypothesis by seeing if time spent since graduating affects adults' understanding of radioactivity, and if school attended makes a difference in this retention. I created an online questionnaire composed of demographic questions and questions to probe understanding and misconceptions about radioactivity. I then collected data with this questionnaire from N = 386 individuals with Austrian school-leaving qualifications. I performed a three-way ANOVA and found that there is a difference in knowledge about radioactivity between recent school leavers and non-recent school leavers, with recent school leavers performing better. Nevertheless, even recent school graduates exhibited the typical misconceptions (they conflated irradiation and contamination, for example), with school attended making no significant difference.