Note: Development of Medical Student Skills Training on Pain and Addiction Assessment is funded by a contract with the National Institute on Drug Abuse 1R44DA027245-01. This research was reviewed by the Clinical Tools IRB (FWA00002873) and determined to be exempt from IRB oversight. Clinical Tools, Inc. is a physician-owned, multimedia company headquartered in Chapel Hill, North Carolina. Clinical Tools combines expertise in healthcare content and computer application development to provide Internet-based education and information for professionals and consumers.