How Many Performance Shaping Factors are Necessary for Human Reliability Analysis? Page: 4 of 10
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Table 1: Crosswalk of PSFs Between the Good Practices, SPAR-H, CREAM, and the
9-Factor Model
Good Practices [13] SPAR-H [2] CREAM [12] 9-Factor Model [11]
Training and Experience Experience/Training Adequace raining Knowledge
Procedures and Availability of
Administrative Controls Procedures Procedures/Plans Resources
Instrumentation Ergonomics/HMI Adequacy of HMI and Machine
Operational Support
Time Available Available Time Available Time Loads/Perceptions
Complexity Complexity Number of Simultaneous Complexity
Goals
Workload/Time Stress/Stressors Number of Simultaneous Loads/Perceptions
Pressure/Stress Goals
Team/Crew dynamics Work Processes Crew Collaboration Team
Quality
Available Staffing Work Processes Adequacy of Resources
Organization
Human-System Interface Ergonomics/HMI Adequacy of HMI and Machine
Operational Support
Environment Stress/Stressors Working Conditions Complexity
Accessibility/Operability Ergonomics/HMI Adequacy of HMI and Machine
of Equipment Operational Support
Need for Special Tools Ergonomics/HMI Adequacy of HMI and Resources
Operational Support
Communications Work Processes Crew Collaboration Team
Quality
Special [Equipment] Ergonomics/HMI Adequacy of HMI and Resources
Fitness Needs Operational Support
Consideration of
'Realistic' Accident
Sequence Diversions and
Deviations
-- Fitness for Duty Time of Day --
-- Work Processes Adequacy of Organizational Culture
Organization
-- -- -- Attitude
The comparison in Table 1 reveals similar coverage across the methods:
- SPAR-H: The eight SPAR-H PSFs map to 14 of the PSFs identified in the Good Practices. Many
of the PSFs are one-to-one matches. while some SPAR-H PSFs such as Work Processes and
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Boring, Ronald L. How Many Performance Shaping Factors are Necessary for Human Reliability Analysis?, article, June 1, 2010; Idaho Falls, Idaho. (https://digital.library.unt.edu/ark:/67531/metadc835988/m1/4/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.