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1.
Plasticity of intermediate mechanics studentsâ€™ coordinate system choice
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E. Sayre and M. Wittmann, Phys. Rev. ST Phys. Educ. Res.,
4
(2), 020105 (2008).
We investigate the interplay between mathematics and physics resources in intermediate mechanics students. In the mechanics course, the selection and application of coordinate…
http://dx.doi.org/10.1103/PhysRevSTPER.4.020105
2.
Approaches to data analysis of multiplechoice questions
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L. Ding and R. Beichner, Phys. Rev. ST Phys. Educ. Res.,
5
(2), 020103 (2009).
This paper introduces five commonly used approaches to analyzing multiplechoice test data. They are classical test theory, factor analysis, cluster analysis, item response theory,…
http://dx.doi.org/10.1103/PhysRevSTPER.5.020103
3.
Intermediate Mechanics Tutorials: Vector Force Fields
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M. Wittmann and B. Ambrose 
Online Resource
This set of tutorials explores forces and potentials in three dimensions. Students develop the concepts of conservative forces and potentials. The mathematical tools of the gradient,…
http://faculty.gvsu.edu/ambroseb/research/IMTVectorFields.html
4.
A Webbased Tool For The Analysis Of Concept Inventory Data
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J. Beuckman, S. Franklin, and R. Lindell, PERC 2004 Proceedings, 189192.
"FOCIA" stands for Free Online Concept Inventory Analyzer. FOCIA, our new webbased tool will allow teachers and researchers in any location to upload their test data and instantly…
http://www.percentral.org/document/ServeFile.cfm?ID=9563&DocID=3455
5.
Retention and Transfer from Trigonometry to Physics
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D. Ozimek, P. Engelhardt, A. Bennett, and N. Rebello, PERC 2004 Proceedings, 173176.
We examined the extent to which students retained and transferred various concepts from trigonometry to physics at the introductory college level. Online trigonometry homework…
http://www.percentral.org/document/ServeFile.cfm?ID=9560&DocID=2863
6.
Investigation of Studentsâ€™ Preconceptions and Difficulties with the Vector Direction Concept at a Mexican University
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P. Barniol and G. Zavala, PERC 2009 Proceedings, 8588.
In this paper, we investigate common preconceptions that Mexican university students have with the concept of direction of a vector. Students entering a large private Mexican…
http://www.percentral.org/document/ServeFile.cfm?ID=9514&DocID=1387
7.
Studentsâ€™ Consistency of Graphical Vector Addition Method on 2D Vector Addition Tasks
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J. Hawkins, J. Thompson, and M. Wittmann, PERC 2009 Proceedings, 161164.
In a series of ten twodimensional graphical vector addition questions with varying visual representations, most students stuck to a single solution method, be it correct or…
http://www.percentral.org/document/ServeFile.cfm?ID=9471&DocID=1347
8.
Procedural Resource Creation in Intermediate Mechanics
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K. Black and M. Wittmann, PERC 2009 Proceedings, 97100.
A problem in resource theory is describing the creation of new, highlevel resources. We model resource creation by analyzing four student groups separating variables during a group…
http://www.percentral.org/document/ServeFile.cfm?ID=9455&DocID=1327
9.
Comparing Student Use of Mathematical and Physical Vector Representations
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J. Van Deventer and M. Wittmann, PERC 2007 Proceedings, 208211.
Research has shown that students have difficulties with vectors in college introductory physics courses and high school physics courses; furthermore, students have been shown to…
http://www.percentral.org/document/ServeFile.cfm?ID=9110&DocID=2023
10.
Student Estimates of Probability and Uncertainty in Advanced Laboratory and Statistical Physics Courses
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D. Mountcastle, B. Bucy, and J. Thompson, PERC 2007 Proceedings, 152155.
Equilibrium properties of macroscopic systems are highly predictable as n, the number of particles approaches and exceeds Avogadro's number; theories of statistical physics depend on…
http://www.percentral.org/document/ServeFile.cfm?ID=9092&DocID=2009

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