Perry Samson, a professor of atmospheric sciences at the University of Michigan and the founder of LectureTools, now known as Echo360, stands in front of one of his lecture classes. Photo courtesy of Perry Samson.

Confusion buttons and other tech promotes classroom participation

How many times have you wished for a confusion button during a particularly difficult lecture? One professor found a way to boost classroom participation by providing just that. 

UNC-Chapel Hill

Location: Chapel Hill, N.C.

Type: four-year, public

Year founded: 1789

Total enrollment (fall 2013): 29,127

Undergraduate enrollment (fall 2013): 18,350

Undergraduate applicants (fall 2014): 31,331

Acceptance rate: 29 percent

Graduation rate: 81 percent

In-state undergraduate tuition and fees (2014-15): $8,374

Sports nickname: Tar Heels


The Daily Tar Heel tags stories to make it easier for you to find our more about topics you care about. Consider it a Wikipedia for all things UNC.