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Conceptual Survey of Electricity and Magnetism: Analysis of the items and recommendations for improvement
written by Pablo Barniol, Esmeralda Campos, and Genaro Zavala
The Conceptual Survey of Electricity and Magnetism is an assessment tool widely used in the Physics Education Research community. Although it has been some time since its publication, there is no study to evaluate the test by analyzing its items in detail. This contribution aims to do that by performing three item-focused statistical tests: difficulty index, discrimination index, and point biserial coefficient. We use data from an American public university and a Mexican private university. We analyze two items (14 & 20) with the most critical index values in both populations. In both items we found that the main problematic aspect is that the required reasoning process to answer them is quite elaborate, and in item 14 we also found some misleading features of the wording and the figure. The results and discussion may be useful for researchers using the test as an assessment tool and for a possible future version of the test.
Physics Education Research Conference 2016
Part of the PER Conference series
Sacramento, CA: July 20-21, 2016
Pages 44-47
Subjects Levels Resource Types
Education Foundations
- Assessment
= Conceptual Assessment
= Instruments
= Methods
- Research Design & Methodology
= Statistics
= Validity
Electricity & Magnetism
- General
- Lower Undergraduate
- Reference Material
= Research study
Intended Users Formats Ratings
- Researchers
- Professional/Practitioners
- application/pdf
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Mirror:
http://dx.doi.org/10.1119/perc.20…
Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution 3.0 license. Further distribution of this work must maintain attribution to the published article's author(s), title, proceedings citation, and DOI.
Rights Holder:
American Association of Physics Teachers
DOI:
10.1119/perc.2016.pr.006
Keyword:
PERC 2016
Record Creator:
Metadata instance created November 30, 2016 by Lyle Barbato
Record Updated:
December 26, 2016 by Lyle Barbato
Last Update
when Cataloged:
December 29, 2016
Other Collections:

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Record Link
AIP Format
P. Barniol, E. Campos, and G. Zavala, presented at the Physics Education Research Conference 2016, Sacramento, CA, 2016, WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14189&DocID=4541).
AJP/PRST-PER
P. Barniol, E. Campos, and G. Zavala, Conceptual Survey of Electricity and Magnetism: Analysis of the items and recommendations for improvement, presented at the Physics Education Research Conference 2016, Sacramento, CA, 2016, <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14189&DocID=4541>.
APA Format
Barniol, P., Campos, E., & Zavala, G. (2016, July 20-21). Conceptual Survey of Electricity and Magnetism: Analysis of the items and recommendations for improvement. Paper presented at Physics Education Research Conference 2016, Sacramento, CA. Retrieved December 18, 2017, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14189&DocID=4541
Chicago Format
Barniol, P, E. Campos, and G. Zavala. "Conceptual Survey of Electricity and Magnetism: Analysis of the items and recommendations for improvement." Paper presented at the Physics Education Research Conference 2016, Sacramento, CA, July 20-21, 2016. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14189&DocID=4541 (accessed 18 December 2017).
MLA Format
Barniol, Pablo, Esmeralda Campos, and Genaro Zavala. "Conceptual Survey of Electricity and Magnetism: Analysis of the items and recommendations for improvement." Physics Education Research Conference 2016. Sacramento, CA: 2016. 44-47 of PER Conference. 18 Dec. 2017 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14189&DocID=4541>.
BibTeX Export Format
@inproceedings{ Author = "Pablo Barniol and Esmeralda Campos and Genaro Zavala", Title = {Conceptual Survey of Electricity and Magnetism: Analysis of the items and recommendations for improvement}, BookTitle = {Physics Education Research Conference 2016}, Pages = {44-47}, Address = {Sacramento, CA}, Series = {PER Conference}, Month = {July 20-21}, Year = {2016} }
Refer Export Format

%A Pablo Barniol
%A Esmeralda Campos
%A Genaro Zavala
%T Conceptual Survey of Electricity and Magnetism: Analysis of the items and recommendations for improvement
%S PER Conference
%D July 20-21 2016
%P 44-47
%C Sacramento, CA
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14189&DocID=4541
%O Physics Education Research Conference 2016
%O July 20-21
%O application/pdf

EndNote Export Format

%0 Conference Proceedings
%A Barniol, Pablo
%A Campos, Esmeralda
%A Zavala, Genaro
%D July 20-21 2016
%T Conceptual Survey of Electricity and Magnetism: Analysis of the items and recommendations for improvement
%B Physics Education Research Conference 2016
%C Sacramento, CA
%P 44-47
%S PER Conference
%8 July 20-21
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14189&DocID=4541


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