"Who actually decides what questions are asked?" In this milestone 70th episode of Registry Insider, Bill Seifarth goes behind the scenes to help answer that question. National Registry psychometricians Brent Stevenor and Nadine McBride help to demystify the process, including the extremely important component – the ALS Practice Analysis. Discover how a rigorous, scientific blend of field observations, NEMSIS data, and Clinician interviews forms the "bedrock" of every National Registry examin...