Perhaps due to the complexities of the problem of aggression and violence, and to ethical issues relating to the mental health areas where much of the work is focused, it is the perspective of staff working in those areas that is most commonly sought in research studies. In contrast, tools to examine the patient’s view are rare. In this paper Joy Duxbury describes the piloting and development of a new tool, which aimed to survey the views of both patients and staff about the broader approaches used to manage patient aggression. This became the ‘Management of Aggression and Violence Attitude Scale’ (MAVAS), and the testing of this tool is the focus of this paper