The police have over time developed different forms of conversations as part of their preventive work. Despite preventive conversations being used as an established method in preventive policing, there is little research based knowledge on these conversations as a means of policy. Research on how the conversations are practised and what consequences they have is important for police practice in the area to be knowledge-based. The aim of the assignment is to obtain research-based knowledge on how different conversations with crime prevention purposes are practised, whether they are used in accordance with the intention, and whether the conversations work according to the purpose. The assignment includes both worry calls as pursuant to the Police Act § 13 and other voluntary conversations with preventive purposes that are carried out by the police. The topics and research questions are in the tender documentation.