The main activity of firefighters is the management of dynamic situations, whether common interventions, accidents, or crises. They are constantly working in teams. Therefore, to analyze their activity in a crisis management situation, it is necessary to understand how they function as a team and the determinants of the team. This thesis focuses on firefighters’ crisis management, and its purpose is to identify the factors that determine the efficiency of teams in crisis situations. The factors considered are various team processes and psychosocial variables. We examine the general hypothesis that the elements that determine team effectiveness in crisis management can be found in part within the handling of common interventions and accident...