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A hypothesis evaluation model for human operators

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2 Author(s)
Sworder, D. ; Dept. of AMES, California Univ., San Diego, La Jolla, CA, USA ; Haaland, K.S.

A study of a model that portrays the response of a person given a situation-assessment task is presented. The model is expressed in terms of stochastic differential equations in order that it be compatible with the usual modeling paradigm for describing dynamically varying situations. The measured response of a test subject has been compared with a sample response of a model. The subject was presented with a time-varying scene and was asked to indicate the level of confidence that a target was within the field of view. This, along with the actual locations of targets and decoys, was recorded and compared with the model response to the same scenario. The model did not reproduce the observed behavior pattern just as two humans would not respond identically to the same stimuli. Nevertheless, the model does manifest the `human' indecisiveness found in the experiment

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Systems, Man and Cybernetics, IEEE Transactions on  (Volume:19 ,  Issue: 5 )