A popular myth-conception , that the set of alternatives is locked in place, may rear up here. Showing the benefits of refining the alternatives may help avoid this. However, if the decisionmakers have reasons to narrow the alternatives under consideration, this should be clearly documented. The second iteration will lead to an even more detailed study and comparison of the best alternatives. Document the Analysis Showing the results of comparative analyses in a draft document gives the overall picture.
Tools See the toolbox for more tools.
Get together with the core team and determine what tools will be used to measure what. Be sure that measurements, comparisons, and evaluations used are consistent assumptions and methods. While you are comparing apples to oranges, at least use the same properties and measurements to show how effective the alternatives will be to meet the objectives and evaluation criteria. A tradeoff analysis examines many components, factors, and criteria within the problem's context. This moves away from the simplistic emphasis on only one factor which a single discipline might apply.