There has been an error in the display of this page. There has been an error in the display of this the nav. There has been an error in the display of this page. Click on the unit titles to see a list of exercises within each unit. Next, click on an exercise title to enter the exercise page.  Introduction to Criminology  Theories 1700 to 1960s  Theories 1960s to Today  Merging Theories and Methodology Unit Highlights Exercise 1: Merging theories Exercise 2: Methodology Key Terms There has been an error in the display of this page.