THE EFFECT OF A DATABASE FEEDBACK-SYSTEM ON USER PERFORMANCE

被引：11

作者：

CHAN, HC ^{[1
]}

WEI, KK ^{[1
]}

SIAU, KL ^{[1
]}

机构：

[1] UNIV BRITISH COLUMBIA,FAC COMMERCE & BUSINESS ADM,VANCOUVER,BC V6T 1Z2,CANADA

来源：

BEHAVIOUR & INFORMATION TECHNOLOGY | 1995年 / 14卷 / 03期

关键词：

D O I：

10.1080/01449299508914642

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

There are two main approaches to improving the effectiveness of database interfaces. One is to raise the level of abstraction for the content of the user-database interaction. The relational model belonging to the logical level has replaced the hierarchical and network models that belong to the lower physical level. It is likely that the relational model will eventually be replaced by models belonging to the even higher conceptual level, such as entity relationship models and object-oriented models. The second approach is to enhance the actual interaction process. This can be done by providing better feedback to the user. Feedback can be in the form of more comprehensible error messages, and the provision of a natural language interpretation of user's query. Such a feedback system was developed, and its effectiveness tested in an experiment. The results showed that the feedback system enhanced user performance greatly. Specifically, users who used the feedback system were 12.9% more accurate than those without the feedback system. They were also 41.2% more confident of their answers, and they took 29.0% less time than those without the feedback system.

引用

页码：152 / 162

页数：11

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