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	Situational Awareness Rating Technique (SART)	Operatörsprestationsbedömningsskala (OPAS)
Ämnesområde	Ergonomi och human factors	Ergonomi och human factors
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1990	1993
Upphovsperson	Robert M. Taylor	William W. Wierwille, Frank T. Eggemeier
Typ	Self-report	Observer-rated / Self-rated
Ursprungskälla	Taylor, R. M. (1990). Situational awareness rating technique (SART): The development of a tool for aircrew systems design. In AGARD-CP-478 (pp. 3/1–3/17). NATO Advisory Group for Aerospace Research and Development.	Wierwille, W. W., & Eggemeier, F. T. (1993). Recommendations for mental workload measurement in a test and evaluation environment. Human Factors, 35(2), 263–281.
Alias	SART	OPAS, Performance Rating Scale
Närliggande	4	4
Sammanfattning	The Situational Awareness Rating Technique (SART), developed by Robert Taylor in 1990 for the NATO Advisory Group for Aerospace Research and Development (AGARD), is a subjective post-task measurement instrument for assessing an operator's degree of situational awareness (SA)—the perception of elements in the environment, understanding of their meaning, and projection of their future state. SART is widely used in aviation, military operations, emergency response, and human-factors research to evaluate system designs, training effectiveness, and task demands that enable or impair operator situational awareness.	The Operator Performance Assessment Scale (OPAS), formalized by Wierwille and Eggemeier in 1993, is a structured rating method for assessing operator task performance on multiple dimensions (primary task accuracy, secondary task accuracy, task completion time, error rate, procedure adherence) in applied settings. OPAS bridges subjective workload perception (NASA-TLX, situational awareness) and objective behavioral metrics by capturing expert judgment of performance quality across multiple performance channels, enabling holistic evaluation of how well operators managed task demands.