text: The diagram of the Hierarchy of intervention effectiveness depics seven interventions that can decrease patient safety incidents as a staircase going up from left to right. System focused interventions are depicted at the top of the staircase on the right as more effective, while person focused interventions are depicted at the bottom of the staircase, on the left, as less effective. From least to most effective, the interventions are: Education, Policies / rules, Redundancies, Checklists, Simplification / standardization, Constraints, Forcing functions