It's full steam ahead into the sociology research process. Let's say you have a theory about how the world works. Now what? Time to do a little research. You'll find out how sociologists create a hypothesis, search for literature, and observe their subjects. Then we'll travel back in time as we cover the different types of societies that have existed throughout history, like hunter/gatherer societies.

Co-written by Bette J. Dickerson, Ph.D. of American University and David Aday, Ph.D. of College of William and Mary.