Operator Workload: Comprehensive Review and Evaluation of Operator Workload Methodologies

Abstract

This report documents the results of an analysis of the scientific literature on operator workload. It begins with an extensive discussion of the concept and definitions of operator workload. The main body of the report is a review and analysis of techniques that have been used for assessing operator workload. These techniques are classified into two broad categories: a) analytical or predictive techniques that may be applied early in system design, and b) empirical or evaluative techniques that must be obtained with an operator-in-the-loop during simulator, prototype, or system evaluations. Information from the review provides practical guidance for selecting the most appropriate techniques for various system and resource characteristics. Keywords: Workload; Human performance; MANPRINT(Manpower and Personnel Integration); Man machine relations; Measurements.

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