A General Model that Accounts for Fitts’ Law and Drury’s Model
A general model is proposed to account for the rationale of both Fitts law (1954) and Drurys (1971) model to describe the relationships of speed-accuracy tradeoffs (RSATs) in self-paced aiming and self-paced tracking movements, respectively. Based on the concepts of control theory, the general model postulates that to perform hand-control movements, humans behave as an intermittent correction servo associated with four essential motor properties: 1) corrective reaction time, 2) ballistic movement time, 3) ballistic movement variability, and 4) moving behavior and strategy. The general model is specified to the two types of movements: the self-paced aiming movement model and the self-paced tracking movement model. A preliminary test of the two models was conducted against published data. The results showed that both specified models predict well the linear RSATs of Fitts law and Drurys (1971) model. To further validate the model predictions with real movement performance, a comprehensive study was suggested for future research.
Jui-Feng Lin Colin G. Drury Mark H. Karwan Victor Paquet
University at Buffalo: SUNY, Department of Industrial and System Engineering438 Bell Hall, Buffalo, University at Buffalo: SUNY, Department of Industrial and System Engineering 438 Bell Hall, Buffalo,
国际会议
17th World Congress on Ergonomics(第十七届国际人类工效学大会)
北京
英文
1-9
2009-08-09（万方平台首次上网日期，不代表论文的发表时间）