仿真误区3：Testing at the end of the project

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( v, i) {3 Q7 P8 Y% w3 EAs with analysis, verification of the model must be performed throughout a project. Because it's even more tedious and uninteresting than analyzing the simulation, it's easy to leave testing for late in the project.
2 q- r, x' d1 S0 ^7 i# yDon't do it! Simulation can be a powerful influence on decision-makers. If you reach conclusions based on a faulty model, you've done a greater disservice to your organization than if the simulation had not been performed at all.
) D) `* }7 ?/ F0 WThink about a test plan early in the project and revise it as you progress. Delivering a "state of the model" assessment, which grades the various segments of the model regarding quality and completeness, should be a standard part of your simulation project at each milestone.
----Deborah A. Sadowski