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http://dx.doi.org/10.9708/jksci.2013.18.1.083

A Study on Rule Schemas of User Interface in HCI Devices  

Kim, Heung-Kyu (School of Business Administration, Dankook University)
Publication Information
Journal of the Korea Society of Computer and Information / v.18, no.1, 2013 , pp. 83-91 More about this Journal
Abstract
As humans perform many tasks using computers, HCI(Human-Computer Interaction) has received much attention these days. One objective of HCI research is to propose how to design more consistent systems. In order to evaluate the consistency of HCI devices from the user's perspective, several models such as TAG(Task Action Grammar), GOMS(Goals-Operators-Methods-Selection Rule), and GTN(General Transition Network) have been developed. TAG specifies actions to perform tasks in terms of rule schema. It has been verified that the less the number of rule schema is, the better users perform the tasks due to assumably higher consistency. This paper hypothesizes that the consistency of systems depends not only on the number of rule schema but also on the distances between rule schema. That is, the closer the rule schema are, the easier it is to acquire the whole set of rule schema. An experiment supported this hypothesis. Therefore, distances between rule schema should be considered as well as the number of rule schema when designing systems.
Keywords
HCI; User Interface; TAG; Rule Schema;
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