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| Autor/inn/en | Kesonen, Mikko Henri Petteri; Asikainen, Mervi Anita; Hirvonen, Pekka Emil |
|---|---|
| Titel | Light Source Matters--Students' Explanations about the Behavior of Light When Different Light Sources Are Used in Task Assignments of Optics |
| Quelle | In: EURASIA Journal of Mathematics, Science & Technology Education, 13 (2017) 6, S.2777-2803 (27 Seiten)Infoseite zur Zeitschrift
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| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 1305-8223 |
| Schlagwörter | Light; Optics; Science Instruction; Scientific Principles; Pretests Posttests; Semi Structured Interviews; Concept Formation; Scientific Concepts; Foreign Countries; Physics; Visual Stimuli; College Science; College Students; Finland |
| Abstract | In the present article, the context-dependency of student reasoning is studied in a context of optics. We investigated introductory students' explanations about the behavior of light when different light sources, namely a small light bulb and a laser, were used in otherwise identical task assignments. The data was gathered with the aid of pretest and post-test questions and semi-structured interviews. According to the results, the different light sources triggered different sets of students' ideas about light and its behavior. The students' ideas corresponded to the perceptible features of the light sources, and textbook presentations used at the earlier levels of education. The use of the ideas hindered students' abilities to apply the scientific models of light in a coherent manner. Overall the present study suggests that students' difficulties in understanding the behavior of light are partly caused by their ideas about light sources commonly labeled in the task assignments of optics. (As Provided). |
| Anmerkungen | EURASIA. Sehit Osman Avci Mah. Malazgirt 1071 Cad. No:48/30, Etimesgut, Ankara, TR06796, Turkey. Tel: +90-312-202-8192; Fax: +90-312-222-8483; e-mail: editor.eurasiajournal@gmail.com; Web site: http://www.ejmste.com |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2020/1/01 |
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