Usability Evaluation of the Spatial OLAP Visualization and Analysis Tool (SOVAT).

IF 1 Q3 COMPUTER SCIENCE, CYBERNETICS
Journal of Usability Studies Pub Date : 2007-02-01
Matthew Scotch, Bambang Parmanto, Valerie Monaco
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引用次数: 0

Abstract

Increasingly sophisticated technologies, such as On-Line Analytical Processing (OLAP) and Geospatial Information Systems (GIS), are being leveraged for conducting community health assessments (CHA). Little is known about the usability of OLAP and GIS interfaces with respect to CHA. We conducted an iterative usability evaluation of the Spatial OLAP Visualization and Analysis Tool (SOVAT), a software application that combines OLAP and GIS. A total of nine graduate students and six community health researchers were asked to think-aloud while completing five CHA questions using SOVAT. The sessions were analyzed after every three participants and changes to the interface were made based on the findings. Measures included elapsed time, answers provided, erroneous actions, and satisfaction. Traditional OLAP interface features were poorly understood by participants and combined OLAP-GIS features needed to be better emphasized. The results suggest that the changes made to the SOVAT interface resulted in increases in both usability and user satisfaction.

空间 OLAP 可视化和分析工具 (SOVAT) 的可用性评估。
在线分析处理 (OLAP) 和地理空间信息系统 (GIS) 等日益先进的技术正被用于开展社区健康评估 (CHA)。人们对 OLAP 和 GIS 界面在社区健康评估中的可用性知之甚少。我们对空间 OLAP 可视化和分析工具 (SOVAT) 进行了迭代可用性评估,这是一款结合了 OLAP 和 GIS 的软件应用程序。共有九名研究生和六名社区卫生研究人员被要求在使用 SOVAT 完成五个 CHA 问题的同时大声思考。每三名参与者完成一个环节后,就会对该环节进行分析,并根据分析结果对界面进行修改。衡量标准包括所用时间、提供的答案、错误操作和满意度。参与者对传统的 OLAP 界面功能理解不深,需要更好地强调 OLAP-GIS 的组合功能。结果表明,对 SOVAT 界面的修改提高了可用性和用户满意度。
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来源期刊
Journal of Usability Studies
Journal of Usability Studies COMPUTER SCIENCE, CYBERNETICS-
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