Task Load Index vVARY
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About this app
Task Load Index - NASA
Developed by Hart and Stevland (1988), the NASA TLX (Task Load Index) is a multidimensional rating mechanism that provides a universal score of Workload based on a weighted average of ratings across six dimensions: Mental Demand, Physical Demand, Temporal Demand, Performance, Effort, and Frustration Level.
The NASA-TLX originally consists of two parts: the total workload is divided into six subjective subscales that are represented on a single page, serving as part of the questionnaire:
• Mental Demand
• Physical Demand
• Temporal Demand
• Performance
• Effort
• Frustration
There is a description for each of these subscales that the subject must read before rating. They are rated for each task within a 100-point range with 5-point increments. These ratings are then combined into the task load index.
Legal Notice
This application uses an ergonomic analysis tool based on the NASA-TLX method, a study originally developed by NASA for workload assessment. However, this application is not affiliated, endorsed, or sponsored by NASA.
The NASA-TLX originally consists of two parts: the total workload is divided into six subjective subscales that are represented on a single page, serving as part of the questionnaire:
• Mental Demand
• Physical Demand
• Temporal Demand
• Performance
• Effort
• Frustration
There is a description for each of these subscales that the subject must read before rating. They are rated for each task within a 100-point range with 5-point increments. These ratings are then combined into the task load index.
Legal Notice
This application uses an ergonomic analysis tool based on the NASA-TLX method, a study originally developed by NASA for workload assessment. However, this application is not affiliated, endorsed, or sponsored by NASA.
Version Information
- Version
- -
- Downloads
- 1K+
- Updated on
- -
- Released
- May 5, 2023
- Requires
- Android Varies with device
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