NDLI: Improvement of workload estimation techniques in piloting tasks

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Improvement of workload estimation techniques in piloting tasks

Content Provider	NASA Technical Reports Server (NTRS)
Author	Wierwille, W. W.
Copyright Year	1984
Description	The Modified Cooper-Harper (MCH) scale has been shown to be a sensitive indicator of workload in several different types of aircrew tasks. The MCH scale, which is a 10 point scale, and five newly devised scales were examined in two different aircraft simulator experiments in which pilot loading was treated as an independent variable. The five scales included a 15 point scale, computerized versions of the MCH and 15 point scales, a scale in which the decision tree was removed, and one in which a 15 point left-to-right format was used. The results indicate that while one of the new scales may be more sensitive in a given experiment, task dependency is a problem. The MCH scale on the other hand exhibits consistent sensitivity and remains the scale recommended for general use. The MCH scale results are consistent with earlier experiments also. The results of the rating scale experiments are presented and the questionnaire results which were directed at obtaining a better understanding of the reasons for the relative sensitivity of the MCH scale and its variations are described.
File Size	6788400
Page Count	15
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19850011336
Archival Resource Key	ark:/13960/t3wt3hq2p
Language	English
Publisher Date	1984-03-01
Access Restriction	Open
Subject Keyword	Man/system Technology And Life Support Pilot Performance Workloads Psychophysiology Decision Making Psychology Flight Simulators Psychometrics Mental Performance Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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