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written by Lin Ding
The Brief Electricity and Magnetism Assessment (BEMA) is a 30-item multiple-choice test, designed to evaluate student understanding of basic electricity and magnetism (E&M) concepts at the introductory physics level. While previous studies have demonstrated its face and content validity, no efforts were made to evaluate the construct validity of this assessment. In the present study, we use Rasch modeling to explore whether or not the BEMA items can collectively measure the same ability (trait)-student basic understanding and application of E&M concepts. Results from item reliability, person reliability, person-item map, and item fit of Rasch modeling show that in general BEMA items, albeit covering a broad range of topics, form a unidimensional construct.
Physics Education Research Conference 2011
Part of the PER Conference series
Omaha, Nebraska: August 3-4, 2011
Volume 1413, Pages 175-178
Subjects Levels Resource Types
Education Foundations
- Assessment
= Conceptual Assessment
= Instruments
= Methods
- Research Design & Methodology
= Evaluation
= Statistics
= Validity
Electricity & Magnetism
- General
- Lower Undergraduate
- Graduate/Professional
- Reference Material
= Research study
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Mirror:
http://dx.doi.org/10.1063/1.3680023
Access Rights:
Free access and
Available for purchase
A preprint of the work is available. A hard copy of the PERC 2011 proceedings is available for purchase from the AIP.
Restriction:
© 2011 American Institute of Physics
DOI:
10.1063/1.3680023
PACSs:
01.40.Fk
01.40.gf
01.40.G-
Keywords:
PERC 2011, Rasch model, assessment, construct validity, electricity and magnetism, introductory physics
Record Cloner:
Metadata instance created April 24, 2012 by Lyle Barbato
Record Updated:
May 15, 2012 by Vince Kuo
Last Update
when Cataloged:
February 6, 2012
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Record Link
AIP Format
L. Ding, presented at the Physics Education Research Conference 2011, Omaha, Nebraska, 2011, WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11840&DocID=2691).
AJP/PRST-PER
L. Ding, Applying Rasch theory to evaluate the construct validity of brief electricity and magnetism assessment presented at the Physics Education Research Conference 2011, Omaha, Nebraska, 2011, <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11840&DocID=2691>.
APA Format
Ding, L. (2011, August 3-4). Applying Rasch theory to evaluate the construct validity of brief electricity and magnetism assessment. Paper presented at Physics Education Research Conference 2011, Omaha, Nebraska. Retrieved April 16, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11840&DocID=2691
Chicago Format
Ding, Lin. "Applying Rasch theory to evaluate the construct validity of brief electricity and magnetism assessment." Paper presented at the Physics Education Research Conference 2011, Omaha, Nebraska, August 3-4, 2011. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11840&DocID=2691 (accessed 16 April 2014).
MLA Format
Ding, Lin. "Applying Rasch theory to evaluate the construct validity of brief electricity and magnetism assessment." Physics Education Research Conference 2011. Omaha, Nebraska: 2011. 175-178 Vol. 1413 of PER Conference. 16 Apr. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11840&DocID=2691>.
BibTeX Export Format
@inproceedings{ Author = "Lin Ding", Title = {Applying Rasch theory to evaluate the construct validity of brief electricity and magnetism assessment}, BookTitle = {Physics Education Research Conference 2011}, Pages = {175-178}, Address = {Omaha, Nebraska}, Series = {PER Conference}, Volume = {1413}, Month = {August 3-4}, Year = {2011} }
Refer Export Format

%A Lin Ding
%T Applying Rasch theory to evaluate the construct validity of brief electricity and magnetism assessment
%S PER Conference
%V 1413
%D August 3-4 2011
%P 175-178
%C Omaha, Nebraska
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11840&DocID=2691
%O Physics Education Research Conference 2011
%O August 3-4
%O application/pdf

EndNote Export Format

%0 Conference Proceedings
%A Ding, Lin
%D August 3-4 2011
%T Applying Rasch theory to evaluate the construct validity of brief electricity and magnetism assessment
%B Physics Education Research Conference 2011
%C Omaha, Nebraska
%V 1413
%P 175-178
%S PER Conference
%8 August 3-4
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=11840&DocID=2691


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