On the first day of class I did two audience response questions. The first took a couple of minutes to explain and set up, and I was confused about how it worked joining a group of questions. I believe I will be able to use the same initial join code the whole semester, which means my students will be able to send a very short code (two digits) for each of the questions. It worked well, and they seemed to enjoy the task. I like breaking up lectures with questions and will keep in going.
Things to work on include how to involve those students who do not have cell phones or text plans. If I do something where I am trying to get feedback (muddiest point questions) I will likely include a paper instead so all students can participate.
Also, how often should I use a question in a long lecture? Every twenty minutes or so would be good, but it is hard to predict how many slides will take me that long.
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