This study on verification, validation, and accreditation (VV&A) seeks, for military models and simulations, to (1) provide a simple and realistic framework for modelers, analysts, managers, and recipients of analysis; (2) address important complications that have received too little attention in the past (e.g., evaluation of knowledge-based models such as those representing command-and-control decisions and other behaviors); and (3) discuss how modern model-building technology is changing the way we should develop models and conduct VV&A. The study illustrates many of its suggestions about VV&A with specific examples of language that might be used in reports and accreditation reviews. It sketches elements of advanced modeling and analysis environments that would make such work easier.
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