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Abstract:
The increasing complexity of display and control instrumentation in modern high performance aircraft has the potential to overload the human operator and result in diminished system performance. Interactive voice technology has been proposed as a method to reduce the high workload placed on the pilots of military aircraft. This report presents the results of an experiment designed to evaluate the effects on human performance of vocal versus manual response modalities on single and multiple tasks simulating some conditions of flight. Results indicated a significant increase in performance precision on a psychomotor task when a vocal, rather than a manual response mode was used on the simultaneous performance of multiple tasks. These results suggest that human performance on visually oriented multiple tasks requiring simultaneous execution may be improved if some of the work effort can be performed using a vocal input/output. Keywords: Workload; Vocal response; Multiple tasks.
| Limitations: |
 APPROVED FOR PUBLIC RELEASE |
| Description: |
Interim rept. |
| Pages: |
17 |
| Report Date: |
FEB 1985 |
| Report Number: |
A038951 |
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Keywords relating to this report:
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