Human-Computer Interaction: Ergonomics and User Interfaces - Vol. 1

By Hans-Jörg Bullinger; Jürgen Ziegler | Go to book overview
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A graphical user interface
shifting from novice to expert

Makoto Oka and Morio Nagata
Dept. of Administration Engineering
Faculty of Science and Technology, Keio University
3-14-1 Hiyoshi, Yokohama, 223-8522 Japan


1
Introduction

Nowadays ordinary people use computers every day as his/her personal tool. Though the beginners are confused to use computers, experts are using them conveniently. There may be many differences of using computers between the novice users and the experts.

Firstly, this study inspects the differences of the ways to use computers between the novice users and experts. Then, we propose a graphical user interface shifting from a novice user to the expert. Novice users and experts on the topics of programming and character based user interfaces have been already studied [ Mayer ( 1997), Nagata and Nakashima ( 1988)]. However, there are few proposals of the graphical user interfaces from this point of view.

In this study, we assume a novice user and an expert as follows: A novice user is a user who uses computers less than 6 months. Moreover, the novice user is learning knowledge and skill in using a computer. An expert is a user who has a literacy of the computer and uses it more than one year. Moreover, the expert uses the computer for his/her everyday life.


2
Experiments

In order to find out the characteristics of novice users and experts, we have distributed questionnaires and conducted some experiments.


2.1
Questionnaires

The same questionnaires have been distributed to 147 novice users and 21 expert users. The questionnaires have asked them about icons, menus, the

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