Interactive human-in-the-loop simulators are widely recognized as a cost-effective and safe way to train workers in challenging work situations, and to more tractably research human performance. However, developing lower-fidelity microworld or scaled world simulators remains a challenge, as there are no systematic methods to guide simulator design. This article presents how the modeling distinctions used in Work Domain Analysis (WDA) can be applied to support designers in making and explaining decisions on simulator scope. Three examples are demonstrated in a petrochemical case study.
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