Participatory modeling remains important to using systems dynamics. Which of the following lead to greater success when using participatory model building for reform?

a. Finding mechanisms for participants to voice their perception of which model features matter the most.

b. Using a recording device to capture and transcribe all of the deliberation.

c. Making sure there are valid empirical estimates for the numbers used in the model.

d. Having technical experts defer to stakeholders when there is a disagreement about how the model should be structured.