Human performance reliability for tasks in the time-space continuous domain is defined and a general mathematical model presented. The human performance measurement terms time-to-error and time-to-error-correction are defined. The model and measurement terms are tested using laboratory vigilance and manual control tasks. Error and error-correction…

Available methods for collecting human factors data rely heavily on observations, interviews, and questionnaires. A need exists for other methods. The feasibility of using two-way voice-radio for this purpose was studied. The data collection methodology consisted of a human factors analyst talking from a radio base station with technicians wearing…

The report summarizes the results of a number of studies which have been performed in an attempt to develop a technology for using human resources data as criteria in engineering design studies. Eight investigations conducted during the period 1966-1975 are briefly described. The results of the eight studies are integrated around six topics of:…