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Differences in the predictive power of pretest scores of students underrepresented in physics
written by Dona Sachini Hewagallage, John Stewart, and Rachel Henderson
This study examines the correlation of physics conceptual inventory pretest scores with post-instruction achievement measures (post-test scores, test averages, and course grades). The correlation for demographic groups in the minority in the physics classes studied (women, underrepresented racial/enthic students, first generation college students, and rural students) were compared with their majority peers. Three conceptual inventories were examined: the Force and Motion Conceptual Evaluation (FMCE) (N = 2450), the Force Concept Inventory (FCI) (N = 2373) and the CSEM (N1 = 1796, N2 = 2537). While many of the correlations were similar, for some of the demographic groups, the correlations were substantially different. There was little consistency in the differences measured. In most cases where the correlations differed, the correlation for the group in the minority was the smaller. As such, pretest scores may not predict course performance for some minority demographic groups as accurately as they predict outcomes for majority students. The pattern of correlation differences did not appear to be related to the size of the pretest score. If pretest scores are used for instructional decisions that have academic consequences, instructors should be aware of these potential inaccuracies and ensure the pretest used is equally valid for all students.
Physics Education Research Conference 2019
Part of the PER Conference series
Provo, UT: July 24-25, 2019
Subjects Levels Resource Types
Education - Basic Research
- Achievement
- Assessment
= Conceptual Assessment
= Methods
- Societal Issues
= Gender Issues
= Race Issues
- Student Characteristics
- 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.2019.pr.Hewagallage
NSF Numbers:
1003907
1561517
1834569
Keyword:
PERC 2019
Record Creator:
Metadata instance created January 2, 2020 by Lyle Barbato
Record Updated:
January 3, 2020 by Lyle Barbato
Last Update
when Cataloged:
January 7, 2020
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Record Link
AIP Format
D. Hewagallage, J. Stewart, and R. Henderson, presented at the Physics Education Research Conference 2019, Provo, UT, 2019, WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15280&DocID=5191).
AJP/PRST-PER
D. Hewagallage, J. Stewart, and R. Henderson, Differences in the predictive power of pretest scores of students underrepresented in physics, presented at the Physics Education Research Conference 2019, Provo, UT, 2019, <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15280&DocID=5191>.
APA Format
Hewagallage, D., Stewart, J., & Henderson, R. (2019, July 24-25). Differences in the predictive power of pretest scores of students underrepresented in physics. Paper presented at Physics Education Research Conference 2019, Provo, UT. Retrieved April 6, 2020, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15280&DocID=5191
Chicago Format
Hewagallage, D, J. Stewart, and R. Henderson. "Differences in the predictive power of pretest scores of students underrepresented in physics." Paper presented at the Physics Education Research Conference 2019, Provo, UT, July 24-25, 2019. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15280&DocID=5191 (accessed 6 April 2020).
MLA Format
Hewagallage, Dona Sachini, John Stewart, and Rachel Henderson. "Differences in the predictive power of pretest scores of students underrepresented in physics." Physics Education Research Conference 2019. Provo, UT: 2019. of PER Conference. 6 Apr. 2020 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15280&DocID=5191>.
BibTeX Export Format
@inproceedings{ Author = "Dona Sachini Hewagallage and John Stewart and Rachel Henderson", Title = {Differences in the predictive power of pretest scores of students underrepresented in physics}, BookTitle = {Physics Education Research Conference 2019}, Address = {Provo, UT}, Series = {PER Conference}, Month = {July 24-25}, Year = {2019} }
Refer Export Format

%A Dona Sachini Hewagallage
%A John Stewart
%A Rachel Henderson
%T Differences in the predictive power of pretest scores of students underrepresented in physics
%S PER Conference
%D July 24-25 2019
%C Provo, UT
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15280&DocID=5191
%O Physics Education Research Conference 2019
%O July 24-25
%O application/pdf

EndNote Export Format

%0 Conference Proceedings
%A Hewagallage, Dona Sachini
%A Stewart, John
%A Henderson, Rachel
%D July 24-25 2019
%T Differences in the predictive power of pretest scores of students underrepresented in physics
%B Physics Education Research Conference 2019
%C Provo, UT
%S PER Conference
%8 July 24-25
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15280&DocID=5191


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