Last Modified: January 23, 2023 by K. Borchert (katjab@millisecond.com), Millisecond
Script Copyright © Millisecond Software, LLC
This script implements the NASA TASK LOAD INDEX a tool to assess perceived workload
NASA (1986). Nasa Task Load Index (TLX) v. 1.0 Manual
Hart, S. (2006). Nasa-Task Load Index (Nasa-TLX); 20 Years Later. Human Factors and Ergonomics Society Annual Meeting Proceedings, 50, 904-908.
0.5 minutes
The NASA TLX consists of six subscales:
Mental Demands, Physical Demands, and Temporal Demands, Frustration, Effort, and Performance
File Name: nasatlx_summary*.iqdat
| Name | Description |
|---|---|
| inquisit.version | Inquisit version number |
| computer.platform | Device platform: win | mac |ios | android |
| startDate | Date the session was run |
| startTime | Time the session was run |
| subjectId | Participant ID |
| groupId | Group number |
| sessionId | Session number |
| elapsedTime | Session duration in ms |
| completed | 0 = Test was not completed 1 = Test was completed |
| textbox.name.response | Entered name |
| textbox.date.response | Entered date |
| textbox.task.response | Entered task Raw responses on the sliders slider.effort.response, slider.frustration.response, slider.mentaldemand.response, slider.performance.response, slider.physicaldemand.response, slider.temporalDemand.response |