Preliminary work is described toward the development of moderator functions for systems analysis that reflect human behavioral limitations and tendencies. In particular, a model of human-machine interaction dynamics in complex systems is introduced to give a moderating influence on overall operator/decision aid performance. A key input to this model is the operator's current workload. To further ground the moderator function in human behavioral considerations, a multiple resource theory-based workload assessment technique is used to provide this input.
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