Validity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve

In this study, we evaluate the validity of question 29 (Q.29) in the Force Concept Inventory (FCI), which requires an understanding of atmospheric pressure. At least in some Japanese physics classes, the rate of the correct answer to Q.29 is reduced between the pretest and post-test. To examine this...

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Autores principales:	Yoshihiko Shoji, Shuji Munejiri, Eiko Kaga
Formato:	article
Lenguaje:	EN
Publicado:	American Physical Society 2021
Materias:	Special aspects of education LC8-6691 Physics QC1-999
Acceso en línea:	https://doaj.org/article/1a7e16e8d00e41cdb3de48efe4a93351
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spelling	oai:doaj.org-article:1a7e16e8d00e41cdb3de48efe4a933512021-12-02T18:50:07ZValidity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve10.1103/PhysRevPhysEducRes.17.0201202469-9896https://doaj.org/article/1a7e16e8d00e41cdb3de48efe4a933512021-09-01T00:00:00Zhttp://doi.org/10.1103/PhysRevPhysEducRes.17.020120http://doi.org/10.1103/PhysRevPhysEducRes.17.020120https://doaj.org/toc/2469-9896In this study, we evaluate the validity of question 29 (Q.29) in the Force Concept Inventory (FCI), which requires an understanding of atmospheric pressure. At least in some Japanese physics classes, the rate of the correct answer to Q.29 is reduced between the pretest and post-test. To examine this deterioration of a student’s response, we analyzed 429 explanations written by 358 respondents about the force described in the question. Many learners, who were not aware of atmospheric force, chose the correct answer. On the other hand, many of the wrong respondents had learned about air pressure but did not understand it. As a result, postinstruction learners tended to have a worse rate of correct response. This made Q.29 less sensitive to a Japanese student’s ability. This characteristic feature of Q.29 is visually confirmed by a modified item response curve, which represents correlation between the response to one item and the total score of the other items.Yoshihiko ShojiShuji MunejiriEiko KagaAmerican Physical SocietyarticleSpecial aspects of educationLC8-6691PhysicsQC1-999ENPhysical Review Physics Education Research, Vol 17, Iss 2, p 020120 (2021)
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 Yoshihiko Shoji Shuji Munejiri Eiko Kaga Validity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve
description	In this study, we evaluate the validity of question 29 (Q.29) in the Force Concept Inventory (FCI), which requires an understanding of atmospheric pressure. At least in some Japanese physics classes, the rate of the correct answer to Q.29 is reduced between the pretest and post-test. To examine this deterioration of a student’s response, we analyzed 429 explanations written by 358 respondents about the force described in the question. Many learners, who were not aware of atmospheric force, chose the correct answer. On the other hand, many of the wrong respondents had learned about air pressure but did not understand it. As a result, postinstruction learners tended to have a worse rate of correct response. This made Q.29 less sensitive to a Japanese student’s ability. This characteristic feature of Q.29 is visually confirmed by a modified item response curve, which represents correlation between the response to one item and the total score of the other items.
format	article
author	Yoshihiko Shoji Shuji Munejiri Eiko Kaga
author_facet	Yoshihiko Shoji Shuji Munejiri Eiko Kaga
author_sort	Yoshihiko Shoji
title	Validity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve
title_short	Validity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve
title_full	Validity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve
title_fullStr	Validity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve
title_full_unstemmed	Validity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve
title_sort	validity of force concept inventory evaluated by students’ explanations and confirmation using modified item response curve
publisher	American Physical Society
publishDate	2021
url	https://doaj.org/article/1a7e16e8d00e41cdb3de48efe4a93351
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Validity of Force Concept Inventory evaluated by students’ explanations and confirmation using modified item response curve

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