Journal Article Detail Page

written by Bethany R. Wilcox and H. J. Lewandowski
Student learning in instructional physics labs represents a growing area of research that includes investigations of students' beliefs and expectations about the nature of experimental physics. To directly probe students' epistemologies about experimental physics and support broader lab transformation efforts at the University of Colorado Boulder and elsewhere, we developed the Colorado Learning Attitudes about Science Survey for experimental physics (E-CLASS). Previous work with this assessment has included establishing the accuracy and clarity of the instrument through student interviews and preliminary testing. Several years of data collection at multiple institutions has resulted in a growing national data set of student responses. Here, we report on results of the analysis of these data to investigate the statistical validity and reliability of the E-CLASS as a measure of students' epistemologies for a broad student population. We find that the E-CLASS demonstrates an acceptable level of both validity and reliability on measures of item and test discrimination, test-retest reliability, partial-sample reliability, internal consistency, concurrent validity, and convergent validity. We also examine students' responses using principal component analysis and find that, as expected, the E-CLASS does not exhibit strong factors (a.k.a. categories).
Physical Review Physics Education Research: Volume 12, Issue 1, Pages 010123
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Free access
License:
This material is released under a Creative Commons Attribution 3.0 license.
Rights Holder:
American Physical Society
DOI:
10.1103/PhysRevPhysEducRes.12.010123
Keywords:
advanced laboratory, introductory laboratory, laboratory
Record Creator:
Metadata instance created September 28, 2016 by Lyle Barbato
Record Updated:
March 29, 2019 by Bruce Mason
Last Update
when Cataloged:
March 21, 2016
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AIP Format
B. Wilcox and H. Lewandowski, Phys. Rev. Phys. Educ. Res. 12 (1), 010123 (2016), WWW Document, (http://dx.doi.org/10.1103/PhysRevPhysEducRes.12.010123).
AJP/PRST-PER
B. Wilcox and H. Lewandowski, Students’ epistemologies about experimental physics: Validating the Colorado Learning Attitudes about Science Survey for experimental physics, Phys. Rev. Phys. Educ. Res. 12 (1), 010123 (2016), <http://dx.doi.org/10.1103/PhysRevPhysEducRes.12.010123>.
APA Format
Wilcox, B., & Lewandowski, H. (2016, March 21). Students’ epistemologies about experimental physics: Validating the Colorado Learning Attitudes about Science Survey for experimental physics. Phys. Rev. Phys. Educ. Res., 12(1), 010123. Retrieved June 25, 2019, from http://dx.doi.org/10.1103/PhysRevPhysEducRes.12.010123
Chicago Format
Wilcox, Bethany, and H. J. Lewandowski. "Students’ epistemologies about experimental physics: Validating the Colorado Learning Attitudes about Science Survey for experimental physics." Phys. Rev. Phys. Educ. Res. 12, no. 1, (March 21, 2016): 010123, http://dx.doi.org/10.1103/PhysRevPhysEducRes.12.010123 (accessed 25 June 2019).
MLA Format
Wilcox, Bethany, and H. J. Lewandowski. "Students’ epistemologies about experimental physics: Validating the Colorado Learning Attitudes about Science Survey for experimental physics." Phys. Rev. Phys. Educ. Res. 12.1 (2016): 010123. 25 June 2019 <http://dx.doi.org/10.1103/PhysRevPhysEducRes.12.010123>.
BibTeX Export Format
@article{ Author = "Bethany Wilcox and H. J. Lewandowski", Title = {Students’ epistemologies about experimental physics: Validating the Colorado Learning Attitudes about Science Survey for experimental physics}, Journal = {Phys. Rev. Phys. Educ. Res.}, Volume = {12}, Number = {1}, Pages = {010123}, Month = {March}, Year = {2016} }
Refer Export Format

%A Bethany Wilcox
%A H. J. Lewandowski
%T Students' epistemologies about experimental physics: Validating the Colorado Learning Attitudes about Science Survey for experimental physics
%J Phys. Rev. Phys. Educ. Res.
%V 12
%N 1
%D March 21, 2016
%P 010123
%U http://dx.doi.org/10.1103/PhysRevPhysEducRes.12.010123
%O application/pdf

EndNote Export Format

%0 Journal Article
%A Wilcox, Bethany
%A Lewandowski, H. J.
%D March 21, 2016
%T Students' epistemologies about experimental physics: Validating the Colorado Learning Attitudes about Science Survey for experimental physics
%J Phys. Rev. Phys. Educ. Res.
%V 12
%N 1
%P 010123
%8 March 21, 2016
%U http://dx.doi.org/10.1103/PhysRevPhysEducRes.12.010123


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