Table 2 NASA-TLX used in R-MAP subjects’ mental workload assessment
From: Rethinking self-reported measure in subjective evaluation of assistive technology
Scale | Description |
|---|---|
Mental demand | How much mental and perceptual activity was required (e.g. thinking, deciding, calculation, remembering, looking, searching, etc.)? Was the task easy or hard, simple or complex, extracting or forgiving? |
Physical demand | How much physical activity was required (e.g., pressuring during tapping interface, tapping in different locations, double-tapping, position the camera, positioning your hand, positioning the item etc.)? Was the task easy or hard, slow or fast, slack or strenuous and restful or laborious? |
Temporal demand | How much time presser did you feel due to the rate or pace at which the task or task element occurred? Was the pace slow and leisurely or rapid and frantic? |
Performance | How successful do you think you were in accomplishing the goals of the task set by experimenter? How satisfied were you with your performance in accomplishing these goals? |
Effort | How hard did you have to work (mentally and physically) to accomplish your level of performance? |
Frustration level | How insecure, discouraged, irritated, stressed, and annoyed versus secure, gratified, content, relaxed, and complacent did you feel during the task? |