ACKNOWLEDGMENTS
This work was supported at UBC through the Carl Wieman Science Education Initiative and by the National Science Foundation under grant #0962805. We are grateful for the assistance of all of the UBC SESs who contributed to the development of the survey; Lisa McDonnell and Bridgette Clarkston for running the UBC training session; MacKenzie Stetzer, Susan McKay, Erika Allison, Medea Steinman, and Joanna Meyer for helping to run the UMaine training session; Jeremy Smith for developing scripts to parse and analyze the data; the Maine K–12 teachers and UBC faculty volunteers who served as observers; and the faculty at UBC and UMaine who allowed their courses to be observed.
Approval to observe classrooms and instruction at UBC and publish results of that work is provided to the Carl Wieman Science Education Initiative by the University of British Columbia under the policy on institutional research. Approval to evaluate teacher observations of classrooms (exempt status, protocol no. 2013-02-06) was granted by the Institutional Review Board at the University of Maine.