The purpose of a(n) is to use existing risk data to prevent future accidents from occurring: (1) Accident/Incident Analysis (2) Violation Investigation ) Infraction/Refraction Event Question 2 - / 0.2 It is well established that the largest contribution to the probability of system failure in complex systems is from: (1) Human error (2) Thunderstorms ( Metal fatigue The purpose of a(n) _ is to uncover potentially hazardous interfaces among seemingly unrelated activities Gap Analysis (2) Hazard Handover (3) Interface Analvsis Question 4 - / 0.2 Consideration of CAST methodology should be measured against the principles of good research. Which of the following is one of those principles? (1) Is the method reliable? (2) Is the research legal in at least 45 states? (3) Can someone with only a high school diploma conduct the research