OPERATOR PERFORMANCE ON A CHORD KEYBOARD.

The article presents a study on the operator performance of a multiple finger or chord keyboard. A total of 31 chords were ranked according to their difficulty as measured by the reaction times, and a quantitative measure obtained for the distribution. The results were used to predict the average re...

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Bibliographic Details

Published in:	Journal of Applied Psychology Vol. 45; no. 5; pp. 303 - 309
Main Authors:	Ratz, H. C., Ritchie, D. K.
Format:	Article
Published:	American Psychological Association Oct61
Subjects:	Keyboards (Electronics) Performance Reaction time Coding theory Data compression Machine theory
Online Access:	View this record in EBSCOhost