Workers in this unit group conduct research into the origin, development, history and behaviour of man as an individual and as a member of society. Their functions include: studying the origin, development, structure, social patterns and interrelationships of human society; studying human behaviour and mental processes and recommending treatment for psychological problems; tracing the origin and evolution of man and his cultural and social development; studying the characteristics of man's physical and climatic environment and the distribution of populations and man's activities; conducting research into past human activity; studying the theory, origin, development, operation and interrelationships of political institutions and behaviour.