A method for modeling task, activity and workload of various human-implemented processes. The models created by this method may be further evaluated so that improvements can be made to the modeled processes. These improvements in modeled processes may include restructuring the human-implemented aspects of the process to take into account the human's cognitive and physical limitations. The model may also be used to identify the information flow aspects of the human cognitive activities allowing the specification and implementation of changes in the information flow or quality to result in improved human workloads.
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