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American Journal of Physics
written by Nathaniel Lasry, Steven Rosenfield, Helena Dedic, Ariel Dahan, and Orad Reshef
The Force Concept Inventory (FCI) has influenced the development of many research-based pedagogies. However, no data exists on the FCI's internal consistency or test-retest reliability. The FCI was administered twice to one hundred students during the first week of classes in an electricity and magnetism course with no review of mechanics between test administrations. High Kuder-Richardson reliability coefficient values, which estimate the average correlation of scores obtained on all possible halves of the test, suggest strong internal consistency. However, 31% of the responses changed from test to retest, suggesting weak reliability for individual questions. A chi-square analysis shows that change in responses was neither consistent nor completely random. The puzzling conclusion is that although individual FCI responses are not reliable, the FCI total score is highly reliable.
American Journal of Physics: Volume 79, Issue 9, Pages 909-912
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Education Foundations
- Assessment
= Conceptual Assessment
= Instruments
- Research Design & Methodology
= Evaluation
= Statistics
= Validity
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© 2011 American Association of Physics Teachers
DOI:
10.1119/1.3602073
PACSs:
01.30.Cc
01.40.Fk
01.40.Ha
Record Creator:
Metadata instance created June 19, 2012 by Lyle Barbato
Record Updated:
March 4, 2013 by Lyle Barbato
Last Update
when Cataloged:
September 1, 2011
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AIP Format
N. Lasry, S. Rosenfield, H. Dedic, A. Dahan, and O. Reshef, Am. J. Phys. 79 (9), 909 (2011), WWW Document, (http://dx.doi.org/10.1119/1.3602073).
AJP/PRST-PER
N. Lasry, S. Rosenfield, H. Dedic, A. Dahan, and O. Reshef, The puzzling reliability of the Force Concept Inventory, Am. J. Phys. 79 (9), 909 (2011), <http://dx.doi.org/10.1119/1.3602073>.
APA Format
Lasry, N., Rosenfield, S., Dedic, H., Dahan, A., & Reshef, O. (2011, September 1). The puzzling reliability of the Force Concept Inventory. Am. J. Phys., 79(9), 909-912. Retrieved November 28, 2014, from http://dx.doi.org/10.1119/1.3602073
Chicago Format
Lasry, N, S. Rosenfield, H. Dedic, A. Dahan, and O. Reshef. "The puzzling reliability of the Force Concept Inventory." Am. J. Phys. 79, no. 9, (September 1, 2011): 909-912, http://dx.doi.org/10.1119/1.3602073 (accessed 28 November 2014).
MLA Format
Lasry, Nathaniel, Steven Rosenfield, Helena Dedic, Ariel Dahan, and Orad Reshef. "The puzzling reliability of the Force Concept Inventory." Am. J. Phys. 79.9 (2011): 909-912. 28 Nov. 2014 <http://dx.doi.org/10.1119/1.3602073>.
BibTeX Export Format
@article{ Author = "Nathaniel Lasry and Steven Rosenfield and Helena Dedic and Ariel Dahan and Orad Reshef", Title = {The puzzling reliability of the Force Concept Inventory}, Journal = {Am. J. Phys.}, Volume = {79}, Number = {9}, Pages = {909-912}, Month = {September}, Year = {2011} }
Refer Export Format

%A Nathaniel Lasry
%A Steven Rosenfield
%A Helena Dedic
%A Ariel Dahan
%A Orad Reshef
%T The puzzling reliability of the Force Concept Inventory
%J Am. J. Phys.
%V 79
%N 9
%D September 1, 2011
%P 909-912
%U http://dx.doi.org/10.1119/1.3602073
%O application/pdf

EndNote Export Format

%0 Journal Article
%A Lasry, Nathaniel
%A Rosenfield, Steven
%A Dedic, Helena
%A Dahan, Ariel
%A Reshef, Orad
%D September 1, 2011
%T The puzzling reliability of the Force Concept Inventory
%J Am. J. Phys.
%V 79
%N 9
%P 909-912
%8 September 1, 2011
%U http://dx.doi.org/10.1119/1.3602073


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The puzzling reliability of the Force Concept Inventory:

Is Supplemented By Reply to "Comment on ‘The puzzling reliability of the Force Concept Inventory’"

The authors respond to comments on the article published in AJP by Dr. Colin S. Wallace.

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