Gary Gladding presenting at a 2014 conference for physics teachers

PER group

Our group includes members from both the Physics Department and the School of Education.

Papers and Talks

2015 PERC Poster: Student see or student do? Comparing video demonstrations and hands-on experiences in online instruction


Poster presented at the 2015 Physics Education Research Conference describing a clinical study probing the effectiveness of describing before exploring vs exploring before describing as physics instructional methods.

Digital copy of poster

Click the image to download a PDF version.












Video Supplement

Below is a short video showing the format of the lessons in the intervention:



More information

For more information about the IOLab system, please visit

If you have any questions or comments, don't hesitate to contact Katie.