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Rasch Analysis of the Quantum Mechanics Concept Assessment
Quantum mechanics is a subject rife with student conceptual difficulties. In order to study and devise better strategies for helping students overcome them, we need ways of assessing on a broad level how students are thinking. This is possible with the use of standardized, research-validated assessments like the Quantum Mechanics Concept Assessment (QMCA). These assessments are useful, but they lack rigorous population independence, and the question ordering cannot be rearranged without throwing into question the validity of the results. One way to overcome these two issues is to design the exam to be compatible with Rasch measurement theory which calibrates individual items and is capable of assessing item difficulty and person ability independently. In this paper, we present a Rasch analysis of the QMCA and discuss estimated item difficulties and person abilities, item and person fit to the Rasch model, and unidimensionality of the instrument. This work will lay the foundation for more robust and potentially generalizable assessments in the future.
Physics Education Research Conference 2023
Part of the PER Conference series Sacramento, CA: July 19-20, 2023 Pages 175-180
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![]() <a href="https://www.per-central.org/items/detail.cfm?ID=16579">Kruse, Jesse, and Bethany Wilcox. "Rasch Analysis of the Quantum Mechanics Concept Assessment." Paper presented at the Physics Education Research Conference 2023, Sacramento, CA, July 19-20, 2023.</a>
![]() J. Kruse and B. Wilcox, , presented at the Physics Education Research Conference 2023, Sacramento, CA, 2023, WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=16579&DocID=5759).
![]() J. Kruse and B. Wilcox, Rasch Analysis of the Quantum Mechanics Concept Assessment, presented at the Physics Education Research Conference 2023, Sacramento, CA, 2023, <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=16579&DocID=5759>.
![]() Kruse, J., & Wilcox, B. (2023, July 19-20). Rasch Analysis of the Quantum Mechanics Concept Assessment. Paper presented at Physics Education Research Conference 2023, Sacramento, CA. Retrieved February 12, 2025, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=16579&DocID=5759
![]() Kruse, Jesse, and Bethany Wilcox. "Rasch Analysis of the Quantum Mechanics Concept Assessment." Paper presented at the Physics Education Research Conference 2023, Sacramento, CA, July 19-20, 2023. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=16579&DocID=5759 (accessed 12 February 2025).
![]() Kruse, Jesse, and Bethany Wilcox. "Rasch Analysis of the Quantum Mechanics Concept Assessment." Physics Education Research Conference 2023. Sacramento, CA: 2023. 175-180 of PER Conference. 12 Feb. 2025 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=16579&DocID=5759>.
![]() @inproceedings{
Author = "Jesse Kruse and Bethany Wilcox",
Title = {Rasch Analysis of the Quantum Mechanics Concept Assessment},
BookTitle = {Physics Education Research Conference 2023},
Pages = {175-180},
Address = {Sacramento, CA},
Series = {PER Conference},
Month = {July 19-20},
Year = {2023}
}
![]() %A Jesse Kruse %A Bethany Wilcox %T Rasch Analysis of the Quantum Mechanics Concept Assessment %S PER Conference %D July 19-20 2023 %P 175-180 %C Sacramento, CA %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=16579&DocID=5759 %O Physics Education Research Conference 2023 %O July 19-20 %O application/pdf ![]() %0 Conference Proceedings %A Kruse, Jesse %A Wilcox, Bethany %D July 19-20 2023 %T Rasch Analysis of the Quantum Mechanics Concept Assessment %B Physics Education Research Conference 2023 %C Sacramento, CA %P 175-180 %S PER Conference %8 July 19-20 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=16579&DocID=5759 Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
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