Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Order effects and the weighting process in workload assessment.

J Dickinson1, W D Byblow, L A Ryan

  • 1School of Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6.

Applied Ergonomics
|October 1, 1993
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Search for Light Pseudoscalar Bosons, Pair-Produced in Higgs Boson Decays in the Four-Electron Final State in Proton-Proton Collisions at sqrt[s]=13  TeV.

Physical review letters·2026
Same author

First Evidence for Mixing-Induced CP Violation in B_{s}^{0}→J/ψϕ(1020) Decays in pp Collisions at sqrt[s]=13  TeV.

Physical review letters·2026
Same author

Observation of Suppressed Charged-Particle Production in Ultrarelativistic Oxygen-Oxygen Collisions.

Physical review letters·2026
Same author

Measurement of D^{0} Meson Photoproduction in Ultraperipheral Heavy Ion Collisions.

Physical review letters·2026
Same author

Observation of tWZ Production at the CMS Experiment.

Physical review letters·2026
Same author

First Exclusive Reconstruction of the B^{*+}, B^{*0}, and B_{s}^{*0} Mesons and Precise Measurement of Their Masses.

Physical review letters·2026
Same journal

Advancing safety training for nuclear decommissioning and dismantling: Integrating MX-based approaches for improved competency development.

Applied ergonomics·2026
Same journal

Authority gradients in rail: A cross-jurisdictional systematic review and meta-synthesis.

Applied ergonomics·2026
Same journal

The distracting role of stress: Impaired executive attention and delayed fatigue perception.

Applied ergonomics·2026
Same journal

Analysis of work system components in interprofessional communication to determine shock etiology.

Applied ergonomics·2026
Same journal

Getting SSPOT to run: Development of a novel direct observational tool for usage in clinical settings.

Applied ergonomics·2026
Same journal

Investigating the impact of sopite syndrome on physiological responses during an immersive Augmented Reality (AR) game in a moving vehicle.

Applied ergonomics·2026
See all related articles

Power grid operators experienced higher mental workload in busy conditions compared to quiet ones. Weighting the NASA Task-Load Index (TLX) dimensions showed some value, despite high correlations with unweighted ratings, revealing significant individual differences in perceived workload.

Area of Science:

  • Human Factors
  • Cognitive Psychology
  • Power Systems Engineering

Background:

  • Mental workload is a critical factor in operator performance, especially in complex systems like power grids.
  • Understanding workload variations under different operational demands is essential for ensuring grid stability and safety.
  • The NASA Task-Load Index (TLX) is a widely used tool for assessing subjective mental workload.

Purpose of the Study:

  • To investigate the impact of simulated operational conditions (quiet vs. busy) on power grid operator mental workload.
  • To evaluate the effectiveness of the weighting procedure within the NASA Task-Load Index (TLX).
  • To identify the extent of individual differences in perceived mental workload among operators.

Main Methods:

  • Power grid operators performed their standard tasks under two simulated conditions: quiet and busy.

Related Experiment Videos

  • Mental workload was quantitatively assessed using the NASA Task-Load Index (TLX).
  • The study analyzed differences between conditions and assessed the value of TLX weighting by correlating weighted and unweighted ratings.

    • Main Results:

    • Significant differences in mental workload were found between quiet and busy operational conditions.
    • No order effects were observed, indicating the sequence of conditions did not influence results.
    • While correlations between weighted and unweighted TLX ratings were high, they were not perfect, suggesting a benefit to weighting.
    • Substantial individual variations in perceived workload were evident across operators.

    Conclusions:

    • Simulated busy conditions significantly increase mental workload for power grid operators.
    • The weighting component of the NASA Task-Load Index (TLX) offers additional value in workload assessment.
    • Individual differences in workload perception are considerable and should be considered in operational and training contexts.