Answer: Choice theory
Explanation: Choice theory is the theory that states about creation of the environment that positive relationships and development. It displays the reason behind the behavior presented by any individual. The choices made in this theory should be made on the factors like belonging, freedom, love , fun survival and power.
These factors promote the younger people to involve in meaningful acts which is usually influenced by teachers, parents, guardians etc.Thus, the case mention in the question is related with choice theory as the university want to end the illegal downloading by taking action so that students can indulge in positive choices.