M. T. Shaffer
Abstract
The EVTA process generates a task-descriptive data base (Dury et al., 1987, page 375) from a detailed analysis of operator's observable activities and communications. The essential features of the EVTA process are the use of video/audio equipment to gather permanent records of operator activities from operational environments, and the generation of an empirical record of activity times through a software package which builds, manages and analyzes the resulting data base.
- Drury, C. G., Paramore, B., VanCott, H. P., Grey, S. M., and Corlett, E. N. (1987). Task analysis. In G. Salvendy (Ed.), Handbook of Human Factors (pp. 370--401). New York: John Wiley & Sons.Google Scholar
Index Terms
- Use of the EVTA process in the evaluation of human/system interaction and performance
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