How do system dynamics model help their user become better at systems thinking?

a. Only people who are already good a systems thinking go on to use systems dynamics tools so it just a self-selection process.

b. Systems dynamics models make their users think about the world using numbers and when numbers are used, that is systems thinking.

c. Good systems dynamics models can depict all of the details of reality and mastering the models implies mastering reality.

d. Trying things out in different ways again and again illustrates feedback and unaticipated consequences.