Figure 1-3 Mistake-Proofing the Design of Health Care Processes - Figure 1.3. Donald Norman calls this type of mistake-proofing a "forcing function." Return to Document Current as of May 2007 Internet Citation: Figure 1-3: Mistake-Proofing the Design of Health Care Processes -. May 2007. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/patient-safety-resources/resources/mistakeproof/mistakefig1-3.html