Two influential theorists on group behavior were Kenneth Benne and Paul Sheats, who wrote the highly respected article "Functional Roles of Group Members" back in the 1940s. [1] In it, they defined 26 different roles that can be played by one or more people within a group. Their work inf...
Part I of the chapter will introduce the subject with a short overview of general assessment models and tools, developed by UN organisations and international NGOs that should be considered in any humanitarian disaster and displacement of large population groups. The authors also address specifics th...