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| NASA Task Load Index (NASA-TLX)× | Workload Profile (WP)× | |
|---|---|---|
| Fachgebiet | Ergonomie | Ergonomie |
| Familie | Process / pipeline | Process / pipeline |
| Entstehungsjahr≠ | 1988 | 1996 |
| Urheber≠ | Sandra G. Hart & Lowell E. Staveland | Pamela S. Tsang & Veronica L. Velazquez |
| Typ | Self-report | Self-report |
| Wegweisende Quelle≠ | Hart, S. G., & Staveland, L. E. (1988). Development of NASA-TLX (Task Load Index): Results of empirical and theoretical research. In P. A. Hancock & N. Meshkati (Eds.), Human Mental Workload (pp. 139-183). Elsevier Science Publishers. DOI ↗ | Tsang, P. S., & Velazquez, V. L. (1996). Diagnosticity and multidimensional subjective workload ratings. Ergonomics, 39(3), 358–381. DOI ↗ |
| Aliasnamen≠ | NASA-TLX, TLX | WP |
| Verwandt | 4 | 4 |
| Zusammenfassung≠ | The NASA Task Load Index (NASA-TLX) is a multidimensional subjective workload assessment tool developed by Sandra Hart and Lowell Staveland at NASA's Ames Research Center in 1988. It measures six dimensions of cognitive and physical task load to quantify operator workload across diverse task domains, from aviation and process control to human-computer interaction. The TLX has become the gold standard for workload measurement in human factors research and applied settings. | The Workload Profile (WP), developed by Pamela Tsang and Veronica Velazquez in 1996, is a multidimensional subjective workload assessment tool that refines the NASA Task Load Index by allowing respondents to assign relative importance weights to workload dimensions dynamically, rather than through separate pairwise comparisons. The WP divides the 0-100 point workload scale into segments corresponding to distinct cognitive and attentional demands, enabling respondents to visually allocate load across dimensions and thereby create a profile that reflects the task-specific pattern of burden. |
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