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NASA-TLX/Ushahidi
Rekodi ya ushahidi wa mbinu

NASA-TLX

The NASA Task Load Index (TLX) is a multi-dimensional subjective workload assessment tool developed at NASA Ames Research Center by Sandra Hart and Lowell Staveland in the 1980s. TLX measures perceived mental workload across six dimensions—mental demand, physical demand, temporal demand, performance, effort, and frustration—allowing researchers and practitioners to understand the cognitive and affective burden of tasks and interfaces. The instrument is widely used in human factors, cognitive engineering, and HCI to identify task bottlenecks and evaluate system designs.

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NASA Task Load Index
Rekodi ya mbinu ya kiajenda · hypothesis-test / human-computer-interaction
  • 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. · DOI 10.1016/S0166-4115(08)62386-9
  • Hart, S. G. (1986). NASA Task Load Index. Moffett Field, CA: NASA Ames Research Center. · URL
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Same method familyAttrakDiff/UEQmachine-suggested · Relational suggestion, not evidence.Same method familyCognitive Walkthroughmachine-suggested · Relational suggestion, not evidence.Same method familySystem Usability Scalemachine-suggested · Relational suggestion, not evidence.Same method familyThink-Aloud Protocolmachine-suggested · Relational suggestion, not evidence.

Hali ya ushahidi

Sources recorded, not reviewed

Bibliographic sources are present. Claim-level evidence review has not been performed.

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