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	Skala Obciążenia Zadaniowego NASA (NASA-TLX)	Skala Obciążenia Poznawczego (CLS)
Dziedzina	Czynniki ludzkie	Czynniki ludzkie
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1988	1992
Twórca	Sandra G. Hart & Lowell E. Staveland	Fred Paas
Typ	Self-report	Self-report
Źródło pierwotne	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.	Paas, F. G. W. C. (1992). Training strategies for attaining transfer of problem-solving skill in statistics: A cognitive-load approach. Journal of Educational Psychology, 84(4), 429–434.
Inne nazwy	NASA-TLX, TLX	CLS, Paas Scale
Pokrewne	4	4
Podsumowanie	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 Cognitive Load Scale (CLS), developed by Fred Paas in 1992 and refined by Paas and colleagues in subsequent years, is a brief, single-item or multi-item self-report instrument for assessing the cognitive load (mental effort) imposed by a learning or task environment. Originating in cognitive load theory research, the CLS has become a fundamental measurement tool in educational psychology, instructional design, and human factors, used to evaluate how instructional materials, interface designs, or training methods affect learner or operator mental burden.