, starting with pre-defined nominal error rates for cognitive vs. action oriented tasks, and incorporating performance shaping … factor (PSF) multipliers upon those nominal error rates. SPAR-H uses eight PSFs with multipliers typically corresponding to … nominal, degraded, and severely degraded human performance for individual PSFs. Additionally, some PSFs feature multipliers to …

representations of human performance through an increasingly long list of performance shaping factors (PSFs). It is not clear, however …

methods to the performance of nuclear power plant crews in a control room simulator. There are a number of unique aspects to … performance; (4) a relatively large sample size of crews; (5) the use of multiple methods and scenarios to provide a well …-rounded view of HRA performance; (6) the importance of clearly defined human failure events; and (7) the use of a common comparison …