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written by Genaro Zavala and Pablo Barniol
The methodology of using two isomorphic (same form) problems focuses on detecting differences in students' performances when solving one of the problems. In this article we present a methodology that not only focuses on that, but also analyzes the effect on performance when students have previously done the associated problem, as well as the way students' answers change ("answer changing") when doing both problems, and the effect of problem order on answer changing. We administered isomorphic tests with vector problems to 330 students finishing a mechanics course. We used two sets of problems: negative scalar multiplication (no-context and velocity context) and dot product interpretation (no-context and work context). In the first set, we detected a significant effect produced by the order in which students answered the problems. In the second set, we found that a great proportion of students answered the first work context problem correctly, but incorrectly answered the second no-context problem. This article presents the methodology so it can be used by other researchers.
Physics Education Research Conference 2013
Part of the PER Conference series
Portland, OR: July 17-18, 2013
Pages 377-380
Subjects Levels Resource Types
Education - Basic Research
- Assessment
= Methods
- Research Design & Methodology
Mathematical Tools
- Vector Algebra
= Dot Product
- Lower Undergraduate
- Reference Material
= Research study
PER-Central Type Intended Users Ratings
- PER Literature
- Researchers
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Format:
application/pdf
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.2013.pr.082
PACS:
01.40.Fk
TdM Grant No.:
CAT140
Keywords:
PERC 2013, isomorphic problems, methodology, physics education, students' understanding, test design, vector problems
Record Cloner:
Metadata instance created January 31, 2014 by Lyle Barbato
Record Updated:
February 1, 2014 by Bruce Mason
Last Update
when Cataloged:
December 16, 2013
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Record Link
AIP Format
G. Zavala and P. Barniol, presented at the Physics Education Research Conference 2013, Portland, OR, 2013, WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=13157&DocID=3704).
AJP/PRST-PER
G. Zavala and P. Barniol, A Detailed Analysis of Isomorphic Problems: The Case of Vector Problems presented at the Physics Education Research Conference 2013, Portland, OR, 2013, <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=13157&DocID=3704>.
APA Format
Zavala, G., & Barniol, P. (2013, July 17-18). A Detailed Analysis of Isomorphic Problems: The Case of Vector Problems. Paper presented at Physics Education Research Conference 2013, Portland, OR. Retrieved September 1, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=13157&DocID=3704
Chicago Format
Zavala, Genaro, and Pablo Barniol. "A Detailed Analysis of Isomorphic Problems: The Case of Vector Problems." Paper presented at the Physics Education Research Conference 2013, Portland, OR, July 17-18, 2013. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=13157&DocID=3704 (accessed 1 September 2014).
MLA Format
Zavala, Genaro, and Pablo Barniol. "A Detailed Analysis of Isomorphic Problems: The Case of Vector Problems." Physics Education Research Conference 2013. Portland, OR: 2013. 377-380 of PER Conference. 1 Sep. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=13157&DocID=3704>.
BibTeX Export Format
@inproceedings{ Author = "Genaro Zavala and Pablo Barniol", Title = {A Detailed Analysis of Isomorphic Problems: The Case of Vector Problems}, BookTitle = {Physics Education Research Conference 2013}, Pages = {377-380}, Address = {Portland, OR}, Series = {PER Conference}, Month = {July 17-18}, Year = {2013} }
Refer Export Format

%A Genaro Zavala
%A Pablo Barniol
%T A Detailed Analysis of Isomorphic Problems: The Case of Vector Problems
%S PER Conference
%D July 17-18 2013
%P 377-380
%C Portland, OR
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=13157&DocID=3704
%O Physics Education Research Conference 2013
%O July 17-18
%O application/pdf

EndNote Export Format

%0 Conference Proceedings
%A Zavala, Genaro
%A Barniol, Pablo
%D July 17-18 2013
%T A Detailed Analysis of Isomorphic Problems: The Case of Vector Problems
%B Physics Education Research Conference 2013
%C Portland, OR
%P 377-380
%S PER Conference
%8 July 17-18
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=13157&DocID=3704


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