1) The document discusses changing the safety culture of a hospital by focusing efforts on enhancing staff awareness of patient and staff safety and quality from 2008 to 2011. 2) Key elements in changing culture included setting direction by establishing a vision and values, implementing policies and infrastructure like a patient safety program, and engaging staff through workshops and leadership. 3) Data shows improvements in reported safety incidents from 2007 to 2011 and increases in teamwork and safety climate survey scores, indicating progress in changing the hospital's safety culture over time.