The Task Taxonomy Method: A Basis for an Expert System on Human Reliability

A survey of human error (HE), its definition, nature of HE and the categorization of HE's, causes and prevention measures is described. Then a HE rating scale is introduced, which allows the assignment of HE probability (HEP) values measured into 10 reliability classes (RC). Based on HEP values...

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Bibliographic Details
Main Authors: Seifert,R, Brauser,K
Format: Report
Language:English
Subjects:
Component Reports
COMPUTER PROGRAMS
ERROR ANALYSIS
Expert systems
HUMAN FACTORS ENGINEERING
Human Factors Engineering & Man Machine System
MAN MACHINE SYSTEMS
NATO furnished
PERFORMANCE(HUMAN)
TAXONOMY
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Summary:A survey of human error (HE), its definition, nature of HE and the categorization of HE's, causes and prevention measures is described. Then a HE rating scale is introduced, which allows the assignment of HE probability (HEP) values measured into 10 reliability classes (RC). Based on HEP values measured for a number of human performances a Task Taxonomy Method is developed. This method allows to assign a relative weight to all task factors and to all performance shaping factors (PSF) involved in the task performance. The task taxonomy method is a tool to predict the HEP and RC of tasks allocated to man. Such a predictive tool is used for analysis, definition and design of man-machine systems. Finally rules of an Expert System are described which facilitates the application and use of the task taxonomy method. This article is from 'Information Management and Decision Making in Advanced Airborne Weapon Systems: Conference Proceedings of the Aerospace Medical Panel Symposium Held in Toronto, Canada on 15-18 April 1986,' AD-A184 044, p2-1-2-8.