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Results #1-#10 of 100+
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Dot Product 
  
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100
Byline:
P. Falstad
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This applet demonstrates the dot product geometrically, with color-coded vectors which can be adjusted with the mouse. The mathematical values of the vectors, their components, the…
http://www.falstad.com/dotproduct/
Matrix Simulation 
  
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P. Falstad
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This applet simulates the operation of a 2x2 matrix geometrically. The simulation shows a 2D image of the transformation of unit vectors due to the matrix. It displays the values of…
http://www.falstad.com/matrix/
2-D Vector Field Simulation 
  
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100
Byline:
P. Falstad
 Post a comment | Relations
The applet simulates various vector fields, including spherical, radial, and constant plane. It is a generalized version of an electrostatic field simulation by the same author. The…
https://www.falstad.com/vector/
3-D Vector Field Simulation 
  
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P. Falstad
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This simulation illustrates a wide range of 3D vector fields, including spherical, radial, and linear. The fields can be displayed as vectors, particle trajectories, equipotentials,…
http://www.falstad.com/vector3d/
Visual Differential Equation Solver Applet 
  
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P. Falstad
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This applet graphs the solutions of several differential equations. The differential and the source term can both be adjusted. Constants on both sides of the equation can be changed,…
http://www.falstad.com/diffeq/
Physical Review Physics Education Research
Motivations for using the item response theory nominal response model to rank responses to multiple-choice items 
  
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T. Smith and N. Bendjilali, Phys. Rev. Phys. Educ. Res., 18 (1), 010133 (2022).
Several recent studies have employed item response theory (IRT) to rank incorrect responses to commonly used research-based multiple-choice assessments. These studies use Bock’s…
https://doi.org/10.1103/PhysRevPhysEducRes.18.010133
Understanding combinatorics challenges in an upper-division thermodynamics course  [ Conference Proceedings ]
  
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100
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K. Oliver and B. Wilcox
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K. Oliver and B. Wilcox, PERC 2021 Proceedings, 315-320.
Upper division thermodynamics courses require students to develop proficiency with several combinatorial topics. While little research has been done to establish student comfort and…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=15770&DocID=55...
Physical Review Physics Education Research
Inventory for the assessment of representational competence of vector fields 
  
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S. Kuchemann, S. Malone, P. Edelsbrunner, A. Lichtenberger, E. Stern, R. Schumacher, R. Brünken, A. Vaterlaus, and J. Kuhn, Phys. Rev. Phys. Educ. Res., 17 (2), 020126 (2021).
Representational competence is essential for the acquisition of conceptual understanding in physics. It enables the interpretation of diagrams, graphs, and mathematical equations,…
https://doi.org/10.1103/PhysRevPhysEducRes.17.020126
Physical Review Physics Education Research
Preliminary development of a simple statistical tool for estimating mental model states from a diagnostic test 
  
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A. Volfson, H. Eshach, and Y. Ben-Abu, Phys. Rev. Phys. Educ. Res., 17 (2), 023105 (2021).
Science knowledge is reflected in mental models that students tend to form when dealing with science phenomena. One way to identify students’ mental models about scientific concepts…
https://doi.org/10.1103/PhysRevPhysEducRes.17.023105
Applying a symbolic forms lens to probability expressions in upper-division quantum mechanics  [ Conference Proceedings ]
  
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W. Riihiluoma, Z. Topdemir, and J. Thompson
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W. Riihiluoma, Z. Topdemir, and J. Thompson, PERC 2022 Proceedings, 383-388.
As part of an effort to examine student understanding of expressions for probability in an upper-division spins-first quantum mechanics (QM) context, clinical think-aloud interviews…
https://www.compadre.org/portal/document/ServeFile.cfm?ID=16263&DocID=56...
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Results #1-#10 of 100+