Computing and Information Systems - Research Publications
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ItemBetter Health Explorer: Designing for Health Information Seekers(Association for Computing Machinery, 2015)A vast amount of health information has been published online, yet users often report difficulties in locating information in this particular domain. Based on our prior research, we consider four categories of online health information seekers who demonstrate mixed information needs. Although their searching needs are often well satisfied by entering keywords into search engines, their need to explore information is not so well supported, thus affecting their user experience and satisfaction. In this paper, we propose design principles for supporting the exploration of online health information. We present the rationale and the design process of a web app - Better Health Explorer - which is a proof-of-concept app tailored to health information exploration. This work contributes to the design of online health information systems as well as exploratory systems in general.
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ItemBetter health information exploration(ACM, 2015-12-07)The provision of health information has to be clear and appealing to users. Research has shown that health information seekers do not all have the same attributes, skills or needs. In any given health-related app or website, there is a need to provide tools for accessing information in ways that appeal to users. This is not always supported by current web technologies. As such, based on prior research on health information seeking behaviour and needs, we designed and created a proofof- concept website named Better Health Explorer to experiment on health information seekers. The pilot results show a positive effect on supporting and improving the experience of seekers with exploratory search behaviour.
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ItemFinding and Exploring Health Information with a Slider-Based User Interface(IOS PRESS, 2016)Despite the fact that search engines are the primary channel to access online health information, there are better ways to find and explore health information on the web. Search engines are prone to problems when they are used to find health information. For instance, users have difficulties in expressing health scenarios with appropriate search keywords, search results are not optimised for medical queries, and the search process does not account for users' literacy levels and reading preferences. In this paper, we describe our approach to addressing these problems by introducing a novel design using a slider-based user interface for discovering health information without the need for precise search keywords. The user evaluation suggests that the interface is easy to use and able to assist users in the process of discovering new information. This study demonstrates the potential value of adopting slider controls in the user interface of health websites for navigation and information discovery.
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