Figure 3. Average gross words per minute as a function of keyboard and session.
|Current, R. N. ( 1954). The typewriter and the men who made it. University of Illinois Press.|
| Duncan, J., and
Ferguson, D. ( 1974). "Keyboard operating posture and symptoms in
operating". Ergonomics, 17( 5), 651-662.|
This material is based upon work supported by the National Science Foundation under award number: DMI-9661259. Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the National Science Foundation.