The NASA TLX (National Aeronautics and Space Administration Task Load Index) is a survey that measures an individual’s perceived task load in various workload dimensions, including mental, physical, and temporal demands, effort, and frustration level. It is often used in research and industry settings, such as in evaluating the workload of pilots and healthcare professionals.
| No. | Question |
|---|---|
| 1 | How mentally demanding was the task? |
| 2 | How physically demanding was the task? |
| 3 | How hurried or rushed was the pace of the task? |
| 4 | How successful were you in accomplishing what you were asked to do? |
| 5 | How hard did you have to work to accomplish your level of performance? |
| 6 | How insecure, discouraged, irritated, stressed, and annoyed were you? |
Harmony can assist researchers in harmonising the NASA TLX Survey Index Scores with other instruments by comparing item variables from the NASA TLX with variables from other instruments. This allows researchers to establish crosswalks between the NASA TLX and other instruments, making it easier to compare and combine data from multiple studies.
Additionally, Harmony can help validate the NASA TLX Survey Index Scores by providing a percentage match between item variables. This allows researchers to assess the degree to which the NASA TLX is able to measure changes in the construct it is intended to measure. By comparing the variables and assessing the degree of match, researchers can gain a better understanding of the validity and reliability of the NASA TLX.
