Should class participation be graded in college?

Image:  Students who enroll in William Altman’s psychology classes at the State University of New York’s Broome Community College sometimes find themselves hooked up to an electroencephalograph—a device that measures electrical activity of the brain—while driving simulated cars either with or without texting. Others in the class participate by monitoring the device’s output or the number of accidents or driving errors both for drivers who text and those who refrain. “You don’t get the...