IRCT2016062828688N1 IRCT 2017-01-20 Vice Chancellor Of Research, Kurdistan University of Medical Sciences The effect of risk assessment checklist and preventive measures training workshop on violence against emergency department nurses The effect of risk assessment checklist and preventive measures training workshop on violence against emergency department nurses 2016-09-10 anticipated 40 Complete https://irct.ir/trial/23209 interventional Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Single, Purpose: Prevention. N/A Violence. All nurses would have to participate in a 4-hour workshop and the time and method of using violence assessment checklist, as well as the precautionary measures for individuals prone to violence against nurses will be taught. Educational materials of workshop will be given to the nurses in the emergency ward during the 6-week of conducting the study..