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Physical Review Physics Education Research
written by Philip Eaton and Shannon Willoughby
As targeted, single-conception curriculum research becomes more prevalent in physics education research (PER), the need for a more sophisticated statistical understanding of the conceptual surveys used becomes apparent. Previously, the factor structure of the Force Concept Inventory (FCI) was examined using exploratory factor analysis (EFA) and exploratory multitrait item response theory (EMIRT). The resulting exploratory driven factor model and two expert-proposed models were tested using confirmatory factor analysis (CFA) and were found to be adequate representations of the FCI's factor structure for postinstruction student responses. This study complements the literature by using confirmatory multitrait item response theory (CMIRT) on matched preinstruction to postinstruction student responses (N = 19745). It was found that the proposed models did not fit the data within a CMIRT framework. To determine why these models did not fit the data, an EMIRT was performed to find suggested modifications to the proposed models. This resulted in a bi-factor structure for the FCI. After calculating the student ability scores for each trait in the modified factor models, only two traits in each of the models were found to exhibit student gains independent of the general, "Newtonian-ness" trait. These traits measure students' understanding of Newton's third law and their ability to identify forces acting on objects.
Physical Review Physics Education Research: Volume 16, Issue 1, Pages 010106
Subjects ADS Supplements Resource Types
Classical Mechanics
- General
Education Foundations
- Assessment
= Conceptual Assessment
= Instruments
- Research Design & Methodology
= Evaluation
= Statistics
= Validity
- Sample Population
- Student Characteristics
= Ability
= Skills
General Physics
- Physics Education Research
- Reference Material
= Research study
Intended Users Formats Ratings
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- Administrators
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Free access
License:
This material is released under a Creative Commons Attribution 4.0 license.
Rights Holder:
American Physical Society
DOI:
10.1103/PhysRevPhysEducRes.16.010106
Keyword:
FCI validation
Record Creator:
Metadata instance created June 15, 2020 by Lyle Barbato
Record Updated:
June 1, 2022 by Caroline Hall
Last Update
when Cataloged:
January 28, 2020
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AIP Format
P. Eaton and S. Willoughby, , Phys. Rev. Phys. Educ. Res. 16 (1), 010106 (2020), WWW Document, (https://doi.org/10.1103/PhysRevPhysEducRes.16.010106).
AJP/PRST-PER
P. Eaton and S. Willoughby, Identifying a preinstruction to postinstruction factor model for the Force Concept Inventory within a multitrait item response theory framework, Phys. Rev. Phys. Educ. Res. 16 (1), 010106 (2020), <https://doi.org/10.1103/PhysRevPhysEducRes.16.010106>.
APA Format
Eaton, P., & Willoughby, S. (2020, January 28). Identifying a preinstruction to postinstruction factor model for the Force Concept Inventory within a multitrait item response theory framework. Phys. Rev. Phys. Educ. Res., 16(1), 010106. Retrieved February 3, 2023, from https://doi.org/10.1103/PhysRevPhysEducRes.16.010106
Chicago Format
Eaton, Philip, and Shannon Willoughby. "Identifying a preinstruction to postinstruction factor model for the Force Concept Inventory within a multitrait item response theory framework." Phys. Rev. Phys. Educ. Res. 16, no. 1, (January 28, 2020): 010106, https://doi.org/10.1103/PhysRevPhysEducRes.16.010106 (accessed 3 February 2023).
MLA Format
Eaton, Philip, and Shannon Willoughby. "Identifying a preinstruction to postinstruction factor model for the Force Concept Inventory within a multitrait item response theory framework." Phys. Rev. Phys. Educ. Res. 16.1 (2020): 010106. 3 Feb. 2023 <https://doi.org/10.1103/PhysRevPhysEducRes.16.010106>.
BibTeX Export Format
@article{ Author = "Philip Eaton and Shannon Willoughby", Title = {Identifying a preinstruction to postinstruction factor model for the Force Concept Inventory within a multitrait item response theory framework}, Journal = {Phys. Rev. Phys. Educ. Res.}, Volume = {16}, Number = {1}, Pages = {010106}, Month = {January}, Year = {2020} }
Refer Export Format

%A Philip Eaton %A Shannon Willoughby %T Identifying a preinstruction to postinstruction factor model for the Force Concept Inventory within a multitrait item response theory framework %J Phys. Rev. Phys. Educ. Res. %V 16 %N 1 %D January 28, 2020 %P 010106 %U https://doi.org/10.1103/PhysRevPhysEducRes.16.010106 %O application/pdf

EndNote Export Format

%0 Journal Article %A Eaton, Philip %A Willoughby, Shannon %D January 28, 2020 %T Identifying a preinstruction to postinstruction factor model for the Force Concept Inventory within a multitrait item response theory framework %J Phys. Rev. Phys. Educ. Res. %V 16 %N 1 %P 010106 %8 January 28, 2020 %U https://doi.org/10.1103/PhysRevPhysEducRes.16.010106


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