The authors have developed the Subjective Transfer Function (STF) approach for evaluating complex systems and are applying it to the evaluation of tactical air command and control. The first step in applying the STF approach is to formulate an initial hierarchical representation of the problem domain. This representation reflects initial hypotheses about what are the important components of the domain and how they are interrelated. It provides the framework for testing these hypotheses by measuring professional judgments. This Note displays the initial representation formulated for the command and control evaluation being conducted. Other volumes in this series will describe the conduct and results of the evaluation.
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