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Not Available As information technologis develop, it becomes more critical to inject cognitive requirements into the design process. Otherwise, developers will generate expensive systems that either do not meet the needs of users, or compromise the decision making process of individuals and teams. We believe the solution is to develop tools for the system sponsors for front-end analysis, as well as for the designers and developers. To achieve this, we will take advantage of recent breakthroughs in the use of cognitive task analysis for designing information technologies, as well as the development of a new approach to team representation, Team Integrated Design Environment (TIDE). We will apply these techniques to the Joint Strike Fighter, to demonstrate that it is feasible to identify and represent individual and team cognitive requirements. Then we will design a prototype software tool to represent individual and team cognitive requirements. The tool will not be a simulation , but will be a support system for defining and displaying the cognitive features of decision makers so that they can be used as constraints in guiding the design and development process. During Phase II, we will construct a working prototype and evaluate its impact on representing cognitive requirements during conceptual design.