"Those of us who consider ourselves plain language professionals think we know what plain language looks like. But do our customers agree? Based on several different studies, we examine some plain language products that weren’t, as determined through a few simple tests anyone could do. We discuss how you can test your products quickly and inexpensively, and help you produce a truly effective document."
Meanwhile, Kath is presenting a tutorial: Research in Practice – 2013 - Studies UX professionals should know about