Abstract
The present research tested a subjective situation awareness (SA) metric, called the SA-SWORD technique. The SA-SWORD technique was an SA adaptation of a subjective workload assessment tool (called the Subjective WORkload Dominance (SWORD) technique). The utility of the SA-SWORD technique was tested in a simulator evaluation of cockpit displays, using Air Force pilots as subjects. Two displays were compared: the Fire Control Radar (FCR) display, and the Horizontal Situation Format (HSF) display. The FCR display provided a functional simulation of current air-to-air radar displays. The HSF was a map-like display that combined data-linked information from outside sources (e.g., an AWACS) with the aircraft's own data to provide a bird's-eye, symbolic view of the entire area. Following collection of the performance data, SA-SWORD scores were collected. Pilots rated their SA higher when using the HSF display, than when using the FCR display. An implication of the current results is that subjective SA metrics can play a useful role in a system evaluation. More specifically, the current results suggest that the SA-SWORD technique can be a useful tool for assessing subjective SA.
Published Version
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