1. "Not All Visual Media Are Helpful": An Optimal Instructional Medium for Effective Online Learning. (September 2014) Authors: Lehtola, Whitney I.; Gemignani, Stephen M.; Sutherland, Jared T.; Jeon, Myounghoon Journal: Proceedings of the Human Factors and Ergonomics Society ... Annual Meeting Issue: Volume 58:Part 1(2014) Page Start: 1351 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗