Human Factors Methods

The development, evaluation, and elements of a methodology for the collection, during operational testing, of operator and maintainer error frequency and criticality data suitable for use in operator/system reliability models and predictions are described. The methodology includes a technique for tr...

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Bibliographic Details
Main Authors: Little,Larry, Thomas,Spencer
Format: Report
Language:English
Subjects:
AS625
Data acquisition
Errors
Frequency
Human factors engineering
Human Factors Engineering & Man Machine System
LPN-USATECOM-7-CO-RDO-WS1-007
Methodology
Operators(Personnel)
PE65702A
Performance tests
Predictions
Psychology
Real time
Reliability
S/L change 8312
Test and evaluation
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Description
Summary:The development, evaluation, and elements of a methodology for the collection, during operational testing, of operator and maintainer error frequency and criticality data suitable for use in operator/system reliability models and predictions are described. The methodology includes a technique for training system experts as data collectors as a means of increasing the effective coverage of the system by Human Factors Engineering test and evaluation personnel. It also describes a modification of the basic methodology which uses video records of operator/maintainer task performance for a posteriori error assessment in cases where real-time data collection is difficult or impossible. Other alternate methods of error data collection are also suggested. Recommendations are also made for a methodology study to develop suitable human error probability (HEP) prediction techniques, the establishment of an HEP data base for military systems, and the development of a standardized instrument for recording operator transactions at complex control/display consoles. (Author)