In this episode Jedidiah shares a tool to gather student responses, Plickers. This tool allows an instructor to create sets of questions that can be interspersed into a presentation. The students answer questions by showing a card containing s special QR-code-type image. The associated app captures and tabulates the results.

You can get a free account at: https://get.plickers.com/

Watch this and other episodes on YouTube: https://www.youtube.com/playlist?list=PL93f_m42BJkbKKA9hh5Xg4CKtKAaNgz7w