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<p>Discrete Event Simulation (DES) is one of the most widely used methodologies for Operations Research (OR) modeling and analysis. However, designing and implementing DES can be a time-consuming and error-prone task. This thesis designed, implemented and evaluated a tool, the Event Graph Graphical Design Tool (EGGDT), to help OR analystsin the design, implementation, and maintenance of DES reducing the development and debugging times. The Unified Modeling Language was used to document the development of the EGGDT, which was programmed in Java using J2D and Swing. Human Factors techniques were employed to help in the design process and to evaluate the final prototype of the EGGDT. During the design process, two formative experiments were performed to evaluate the Graphical User Interface design decisions. A final summative experiment was done to test if the potential users consider the tool a useful means to develop OR simulations. Participants of the experiments agreed that tools like the EGGDT are an essential instrument when developing simulation.
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<br>Subjects: COMPUTERIZED SIMULATION; OPERATIONS RESEARCH; SOFTWARE TOOLS</div>
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San Jose, Angel</div>
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