Trait-based personality theories, such as those defined by Raymond Cattell define personality as the traits that predict a person's behavior. On the other hand, more behaviorally based approaches define personality through learning and habits.
This was one year after the first department of sociology was established at the University of Chicago. In 1919, a separate School of Sociology was created, and in 1930, the present Department of Sociology came into being. Following World War II, the department, along with the university as a whole, expanded rapidly. Before World War II the department had a masterâs program from which a handful of students had graduated.
This approach to sociological research is known as positive science-positivism. Socio-political Context-Modernists contend that sociology emerged out of two major revolutions of the late eighteenth and nineteenth centuries. Starting with the French revolution of 1789 and then the Industrial Revolution of Europe.