“However, not all philosophers agree with the ideal of unified science. They argue that the actions of human beings comprise a unique and ultimate category of events, and that therefore such fields as social psychology, sociology, anthropology, economics, and political science cannot be studied by the methods of the natural sciences (by which they usually mean physics).”
http://www.amyscott.com/Claims%20of%20the%20Verstehen%20Position.pdf
TOK Topics 