USABILITY OF A ONE-HAND TERNARY CHORD KEYBOARD

被引：4
|
作者：
MCMULKIN, ML
KROEMER, KHE
机构：
来源：
APPLIED ERGONOMICS | 1994年 / 25卷 / 03期
关键词：
KEYBOARDS; KEYBOARD FOR ONE HAND; KEYING SPEED; LEARNING CURVE;
D O I：
10.1016/0003-6870(94)90016-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Five subjects learned to operate a one-hand ternary chord keyboard with 18 different characters, on average, in just over 30 min. Subjects practised inputting numeric-type text for an additional 60 h and attained an average peak keying speed of 170 characters/min. Because of the short learning time, high performance, and low space requirement, the one-hand ternary chord keyboard is an attractive input device for tasks with small character sets.
引用
收藏
页码：177 / 181
页数：5
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