Scherr and Wittmann on the challenge of listening

R.E. Scherr and M.C. Wittmann
The challenge of listening: The effect of research agenda on data collection and interpretation
2002 Physics Education Research Conference Proceedings, S. Franklin, K. Cummings, J. Marx (Eds.) (2003)

Wittmann on limitations of standardized tests

M.C. Wittmann
Limitations in predicting student performance on standardized tests
In S. Franklin, K. Cummings, J. Marx (Eds.) Physics Education Research Conference Proceedings 2002.(2003)

Wittmann and Scherr on epistemology affecting methodology

M.C. Wittmann and R.E. Scherr
Student epistemological stance constraining researcher access to student thinking: An example from an interview on charge flow
In S. Franklin, K. Cummings, J. Marx (Eds.) Physics Education Research Conference Proceedings 2002.(2003)