David Foster is the founder of Kryterion, an Internet test administration company, and currently serves there as chief scientist and executive vice president. He is the author of numerous articles for industry trade journals and textbooks and sits on the Council for the International Test Commission. In this interview, Foster talks about his…

There are few certifying or recertifying examinations in the medical field that are given in a take-home format. This stems from a concern that examinees may discuss items with peers, or save copies of items on the exam and then pass them on to others. This study examined if item exposure on take-home examinations influences the difficulty of the…