Development of the kinetic molecular theory of gases concept inventory: Preliminary results on university students' misconceptions

Erceg, Nataša and Aviani, Ivica and Mešić, Vanes and Glunčić, Matko and Žauhar, Gordana (2016) Development of the kinetic molecular theory of gases concept inventory: Preliminary results on university students' misconceptions. Physical Review Physics Education Research, 12 (2). pp. 20139-23. ISSN 2469-9896

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In this study, we investigated students’ understanding of concepts related to the microscopic model of gas. We thoroughly reviewed the relevant literature and conducted think alouds with students by asking them to answer open-ended questions about the kinetic molecular theory of gases. Thereafter, we transformed the open-ended questions into multiple-choice questions, whereby distractors were based on the results of the think alouds. Thus, we obtained a set of 22 questions, which constitutes our current version of the kinetic molecular theory of gases concept inventory. The inventory has been administered to 250 students from different universities in Croatia, and its content validity has been investigated trough physics teacher surveys. The results of our study not only corroborate the existence of some already known student misconceptions, but also reveal new insights about a great spectrum of students’ misconceptions that had not been reported in earlier research (e.g., misconceptions about intermolecular potential energy and molecular velocity distribution). Moreover, we identified similar distribution of students’ responses across the surveyed student groups, despite the fact that they had been enrolled in different curricular environments.

Item Type: Article
Keywords: physics education research, kinetic molecular theory of gases, physical concepts
Date: 16 November 2016
Subjects: NATURAL SCIENCES > Physics
Additional Information: © 2016 American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Received 28 June 2016; published 16 November 2016.
Divisions: Faculty of Science > Department of Physics
Project code: Project No. 1/2014.
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 01 Dec 2016 16:04
Last Modified: 29 Nov 2017 16:35

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