This lesson covers the basic Constitutional doctrine of state action. This lesson can be used to prepare for class or as a review of Constitutional doctrine. This lesson consists of 25 scored questions and 2 unscored questions, divided into three substantive parts. The first part, State Action Basics and History, considers the basic principles and history of state action doctrine. The second part, United States Supreme Court State Action Cases, treats major cases generally covered in Constitutional Law courses, casebooks, and study materials. The third section, A State Action Hypothetical, examines a recent case decided by a circuit court.