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Table 1 Wording of the NASA TLX questionnaire

From: Single mission workload and influencing factors in German prehospital emergency medicine - a nationwide prospective survey of 1361emergency missions

TLX-dimension Wording (scale)
Mental Demand How 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 Demand How much physical activity was required? Was the task easy or demanding, slack or strenuous?
(1 = low, 100 = high)
Temporal Demand How 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 Performance How 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)
Effort How hard did you have to work to accomplish your level of performance?
(1 = low, 100 = high)
Frustration How irritated, stressed, and annoyed versus content, relaxed, and complacent did you feel during the task?
(1 = low, 100 = high)