Dr. Chao is quoted in this Columbus Dispatch article about teacher education programs shifting to preparing teachers to teach online:

Theodore Chao, an assistant professor of mathematics education at Ohio State, said most teacher education colleges are doing a poor job of preparing future teachers for virtual education. 

“Structurally, we’re designed to prepare teachers for a classroom that no longer exists,” Chao said. “Change happens slowly in universities.”

…

One of the biggest challenges to teaching online is engaging students, Chao said. Teachers also can lose confidence when switching to teaching virtually since it can be unfamiliar territory.

“Colleges pivoting classes to prepare future educators to teach students online”, Megan Henry, The Columbus Dispatch, November 20, 2020

The full article is online here.