Abstract
The problems encountered in trying to relate factor-analytically derived performance measures to real world, complex work situations are described. A particular implementation of this approach to the problem of assessing the performance capabilities of the on-orbit astronaut is described in relation to the task demands of the predicted space vehicle performance requirements. The general approach as outlined here is restricted to the measurement of perceptual motor functions of the sort traditionally looked at by factor analysts in relation to the ability requirements of aircraft operators. Relatively mild stressors—sleep loss and heat—have not resulted in significant alterations of performance on these tasks.
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