Evidence-based Leadership in Nurse Leaders-FI

Inclusion Criteria: * Official managerial role in the study organisation (hospital, clinic, ward level), which give them an authority to act as a nurse leader and monitor, develop and evaluate the care * Being in full time or part time position * All sex * Aged up to 65 years * Working in the study sites at the time of the recruitment * Ability to read and write Finnish language * Willingness to join the study based on their own free will * Informed consent obtained Exclusion Criteria: * Non-nursing professionals in leadership position (e.g. physician, psychologist, pharmacist, dietician/nutritionist, dentist, physiotherapist, radiation therapist, paramedic, occupational therapist, social worker, or disability worker) * Speaking only other languages than Finnish (e.g. Swedish or English) * Out of duty during the recruitment period for family leave, long term sick leave, study leave or any other reason