Peter and Paul have been friends for the past 10 years. They are now 18 years old and in their senior year at the local high school. They happen to be neighbors. They first met when Peter moved into the house next door with his aunt after his parents were killed in an automobile accident. Paul lives with his mother. Paul’s father left the home when Paul was three years old. Paul and Peter have recently befriended several individuals who are known for using drugs and also committing crime. Using techniques learned from these new friends, the two begin stealing cars, thus validating which theory?