We have been remiss in sharing evidence of our publications here.
Hayes and Wittmann on the use of signs in mechanics problem solving, April 2010 in The Physics Teacher.
Springuel, Wittmann, and Thompson with Erratum: Applying clustering to statistical analysis of student reasoning about two-dimensional kinematics [Phys Rev. ST Phys. Educ. Res. 3, 020107 (2007)], which refers back to this paper.Posted in News