Figure 2-2 Mistake-Proofing the Design of Health Care Processes - Figure 2.2. Increasing the number of rules can lead to increased error rates Source: Adapted from Chiu, Frick.10Return to Document Current as of May 2007 Internet Citation: Figure 2-2: 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/mistakefig2-2.html