Online course content should be challenging, but the course itself should be straightforward and include “purposeful redundancy” to aid navigation and provide multiple ways to learn, says Michelle Manganaro, who teaches online education and communications courses at several institutions, including Massasoit Community College. In terms of course navigation, purposeful redundancy entails careful use of icons and coding (by color or location) to designate what is a priority and providing students with more than one way to…