1. A system for editing and displaying a structured argument, having a plurality of associated parameters, the system comprising: a processor operative to execute computer executable instructions; and a computer readable medium that stores the computer executable instructions, the computer executable instructions comprising: a user interface that graphically displays the plurality of parameters at a user accessible display and receives input from a user defining the value of a selected parameter, wherein the plurality of parameters comprises respective confidence values for a plurality of hypotheses; a computational engine that alters the selected parameter to the defined value, updates the plurality of parameters according to the defined value of the selected parameter, and provides the altered parameters to the user interface, such that the display is updated in real time to reflect the user input; and a simulation function that alters at least one parameter of the structured argument according to a predetermined series of values, representing changes in the at least one parameter over a period of time.
6. The system of claim 1 , the plurality of parameters defining an argument model.