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Table 1 Wording of the NASA-TLX questionnaire

From: Workload and influencing factors in non-emergency medical transfers: a multiple linear regression analysis of a cross-sectional questionnaire study

TLX-dimensionWording (scale)
Mental DemandHow much mental and perceptual activity was required? Was the task easy or demanding, simple or complex? Was high precision required or was the task fault-tolerant?
(1 = low, 100 = high)
Physical DemandHow much physical activity was required? Was the task easy or demanding, slack or strenuous?
(1 = low, 100 = high)
Temporal DemandHow much time pressure did you feel due to the pace at which the tasks or task elements occurred? Was the pace slow or rapid?
(1 = low, 100 = high)
Overall PerformanceHow successful were you in reaching your goals or the goals set by your team leader? How satisfied were you with your performance?
(1 = good, 100 = bad)
EffortHow hard did you have to work to accomplish your level of performance?
(1 = low, 100 = high)
FrustrationHow irritated, stressed, and annoyed versus content, relaxed, and complacent did you feel during the task?
(1 = low, 100 = high)
  1. This table represents the NASA TLX questionnaire that was used to measure workload in our study. For each question, a slide bar allowed the participant to rate his subjective perception of workload from 1 to 100