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Technique for human error rate prediction (THERP)

Technique for human error rate prediction. The probability of human error is assumed to be function of a series of "performance shaping factors" such as temperature, hours worked, complexity, availability of tools, ? (about 70 in total). It includes the likelihood of detection, the probability of recovery and the consequence of the error (if uncorrected).


  • Swain, A.D. and Gutterman, H.E, 1980, Handbook of human reliability analysis with emphasis on nuclear power plant applications, Report N? NUREG/CR-1278, Sandia Laboratories, Albuquerque, New Mexico

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