An online surge at Virginia Tech. But what about outcomes?

Image:  The first time Stefan Duma offered his in-person Concussion Perspectives course at Virginia Tech, 50 students enrolled. The next time, 100 students enrolled, followed by 250 and later 500. When demand did not abate, he offered the course online by way of lectures in an asynchronous format with in-person visits to the Helmet Lab, where students may see, for example, how helmets are tested. More than 1,000 students signed up. “Every time I taught it, it kind of doubled,” said...