4. Nursing administrators at a local hospital are concerned about low morale among the ICU nursing staff. They institute a new program with multiple measures designed to help the staff cope with stress and adopt a healthy lifestyle, including staff relaxation lounges, yoga classes, and healthy eating coaches. Before starting the program, they ask the ICU nursing staff to complete the Acme Attitude Survey (AAS), a 25-item scale which yields a summative score that can range from 0 to 100 (continuous level variable), with higher scores indicating more positive attitudes. 6 months following full implementation of the program, they again administer the AAS to the ICU nursing staff. a. Identify the independent and dependent variables and level of measurement. (0.125 points each) IV = Level of measurement: DV = Level of measurement