Comparison of NASA-TLX scale, Modified Cooper-Harper scale and mean inter-beat interval as measures of pilot mental workload during simulated flight tasks

Heikki Mansikka, Kai Virtanen, Don Harris

Research output: Contribution to journalArticle

Abstract

The sensitivity of NASA-TLX scale, modified Cooper-Harper (MCH) scale and the mean inter-beat interval (IBI) of successive heart beats, as measures of pilot mental workload (MWL), were evaluated in a flight training device (FTD). Operational F/A-18C pilots flew instrument approaches with varying task loads. Pilots' performance, subjective MWL ratings and IBI were measured. Based on the pilots' performance, three performance categories were formed; high-, medium- and low-performance. Values of the subjective rating scales and IBI were compared between categories. It was found that all measures were able to differentiate most task conditions and there was a strong, positive correlation between NASA-TLX and MCH scale. An explicit link between IBI, NASA-TLX, MCH and performance was demonstrated. While NASA-TLX, MCH and IBI have all been previously used to measure MWL, this study is the first one to investigate their association in a modern FTD, using a realistic flying mission and operational pilots.

LanguageEnglish
Pages(In-Press)
Number of pages22
JournalErgonomics
Volume(In-Press)
Early online date30 Apr 2018
DOIs
Publication statusE-pub ahead of print - 30 Apr 2018

Fingerprint

United States National Aeronautics and Space Administration
Workload
workload
flight
NASA
performance
Equipment and Supplies
rating scale
rating
Pilots
Values

Bibliographical note

This is an Accepted Manuscript of an article published by Taylor & Francis in Ergonomics on 30/04/2018, available online: http://www.tandfonline.com/10.1080/00140139.2018.1471159

Accepted manuscript released 30th April 2018. Online Version of Record released 27th January 2019.

Keywords

  • Pilot mental workload
  • NASA-TLX scale
  • Modified Cooper-Harper scale
  • Inter-beat interval

Cite this

Comparison of NASA-TLX scale, Modified Cooper-Harper scale and mean inter-beat interval as measures of pilot mental workload during simulated flight tasks. / Mansikka, Heikki; Virtanen, Kai; Harris, Don.

In: Ergonomics, Vol. (In-Press), 30.04.2018, p. (In-Press).

Research output: Contribution to journalArticle

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