Construction and Validation of a Stress Scale Specific to ICUs: Perceived Stressors in Intensive Care Units (PS-ICU)

Inclusion Criteria: * In this step, we will include the services which: * Practise an activity of intensive care (whether this practice is medical or surgical, adult or paediatric). The professionals of ICU who: * volunteer to participate in the study (and with the consent of the head of the unit), * Senior physicians, interns, and nurses who have been working in the service for more than three months. Exclusion Criteria: Administrative staff, nursing auxiliaries * Senior physicians, interns, and nurses who have been working in the service for less than three months.