Comparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism

While numerous studies have analyzed the conceptions probed by the Force Concept Inventory (FCI), assessments dedicated to electricity and magnetism lack similar analyses. This paper investigated the conceptions explored by the Brief Electricity and Magnetism Assessment (BEMA) and the Conceptual Sur...

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Autores principales:	Philip Eaton, Barrett Frank, Keith Johnson, Shannon Willoughby
Formato:	article
Lenguaje:	EN
Publicado:	American Physical Society 2019
Materias:	Special aspects of education LC8-6691 Physics QC1-999
Acceso en línea:	https://doaj.org/article/e1e12dfaec0f42a68909c20c4f49dae1
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spelling	oai:doaj.org-article:e1e12dfaec0f42a68909c20c4f49dae12021-12-02T10:44:58ZComparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism10.1103/PhysRevPhysEducRes.15.0201332469-9896https://doaj.org/article/e1e12dfaec0f42a68909c20c4f49dae12019-10-01T00:00:00Zhttp://doi.org/10.1103/PhysRevPhysEducRes.15.020133http://doi.org/10.1103/PhysRevPhysEducRes.15.020133https://doaj.org/toc/2469-9896While numerous studies have analyzed the conceptions probed by the Force Concept Inventory (FCI), assessments dedicated to electricity and magnetism lack similar analyses. This paper investigated the conceptions explored by the Brief Electricity and Magnetism Assessment (BEMA) and the Conceptual Survey of Electricity and Magnetism (CSEM) using exploratory factor analysis techniques. Exploratory factor analysis (EFA) was performed on both assessments using 5368 and 4941 postinstruction student responses for the BEMA and CSEM, respectively. A 6-factor EFA generated model was found for the CSEM, and was fit against another sample of 4964 student responses using confirmatory factor analysis to supply evidence for the possible generalizability of the model. The 5-factor EFA generated model for the BEMA could not be fit against another sample when trying to check for generalizability. The EFA generated factor models for the BEMA and CSEM were then compared and found to be similar in conceptual content, with the exception of one or two factors. Thus, from a factor analysis perspective, the BEMA and CSEM were found to be similar in conceptual content as revealed by student responses. With a better understanding of these electricity and magnetism assessments, future research into this domain of physics will then be able to make stronger conclusions based on students’ results within these assessments.Philip EatonBarrett FrankKeith JohnsonShannon WilloughbyAmerican Physical SocietyarticleSpecial aspects of educationLC8-6691PhysicsQC1-999ENPhysical Review Physics Education Research, Vol 15, Iss 2, p 020133 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Special aspects of education LC8-6691 Physics QC1-999
spellingShingle	Special aspects of education LC8-6691 Physics QC1-999 Philip Eaton Barrett Frank Keith Johnson Shannon Willoughby Comparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism
description	While numerous studies have analyzed the conceptions probed by the Force Concept Inventory (FCI), assessments dedicated to electricity and magnetism lack similar analyses. This paper investigated the conceptions explored by the Brief Electricity and Magnetism Assessment (BEMA) and the Conceptual Survey of Electricity and Magnetism (CSEM) using exploratory factor analysis techniques. Exploratory factor analysis (EFA) was performed on both assessments using 5368 and 4941 postinstruction student responses for the BEMA and CSEM, respectively. A 6-factor EFA generated model was found for the CSEM, and was fit against another sample of 4964 student responses using confirmatory factor analysis to supply evidence for the possible generalizability of the model. The 5-factor EFA generated model for the BEMA could not be fit against another sample when trying to check for generalizability. The EFA generated factor models for the BEMA and CSEM were then compared and found to be similar in conceptual content, with the exception of one or two factors. Thus, from a factor analysis perspective, the BEMA and CSEM were found to be similar in conceptual content as revealed by student responses. With a better understanding of these electricity and magnetism assessments, future research into this domain of physics will then be able to make stronger conclusions based on students’ results within these assessments.
format	article
author	Philip Eaton Barrett Frank Keith Johnson Shannon Willoughby
author_facet	Philip Eaton Barrett Frank Keith Johnson Shannon Willoughby
author_sort	Philip Eaton
title	Comparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism
title_short	Comparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism
title_full	Comparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism
title_fullStr	Comparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism
title_full_unstemmed	Comparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism
title_sort	comparing exploratory factor models of the brief electricity and magnetism assessment and the conceptual survey of electricity and magnetism
publisher	American Physical Society
publishDate	2019
url	https://doaj.org/article/e1e12dfaec0f42a68909c20c4f49dae1
work_keys_str_mv	AT philipeaton comparingexploratoryfactormodelsofthebriefelectricityandmagnetismassessmentandtheconceptualsurveyofelectricityandmagnetism AT barrettfrank comparingexploratoryfactormodelsofthebriefelectricityandmagnetismassessmentandtheconceptualsurveyofelectricityandmagnetism AT keithjohnson comparingexploratoryfactormodelsofthebriefelectricityandmagnetismassessmentandtheconceptualsurveyofelectricityandmagnetism AT shannonwilloughby comparingexploratoryfactormodelsofthebriefelectricityandmagnetismassessmentandtheconceptualsurveyofelectricityandmagnetism
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Comparing exploratory factor models of the Brief Electricity and Magnetism Assessment and the Conceptual Survey of Electricity and Magnetism

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