While advances in highly targeted therapies and increased use of mammogram services have contributed to the overall decline of breast cancer deaths in the United States, these benefits have not been distributed equitably Less educated, poor, rural, non-Hispanic African American women have poorer access to cancer services and are less likely to have had a mammogram than are urban women Lack of physician recommendations and perceived barriers in accessing diagnostic services are major factors that hinder the uptake of regular mammograms in rural communities This article reports results of formative research conducted as part of a larger study focused on the participatory development of an electronic reminder system for breast cancer screening The article discusses insights gained from focus groups with rural patients and clinicians about their information needs, breast cancer screening behaviors, barriers to care, and mammography referral practices © 2010 Wiley Periodicals, Inc

/pdf/participatory-design-of-a-health-informatics-system-for-4gg7wv9wif.pdf

Participatory design of a health informatics system for rural health practitioners and disadvantaged women

This paper introduces a novel representation, called the InfoCrystal, that can be used as a visualization tool as well as a visual query language to help users search for information. The InfoCrystal visualizes all the possible relationships among N concepts. Users can assign relevance weights to the concepts and use thresholding to select relationships of interest. The InfoCrystal allows users to specify Boolean as well as vector-space queries graphically. Arbitrarily complex queries can be created by using the InfoCrystals as building blocks and organizing them in a hierarchical structure. The InfoCrystal enables users to explore and filter information in a flexible, dynamic and interactive way. >

InfoCrystal: A visual tool for information retrieval

https://interruptions.net/literature/McDonald-ApplErgon96.pdf

Disorientation in hypertext: the effects of three text structures on navigation performance.

This demonstration introduces the InfoCrystalm that can be used both as a visualization tool and a visual query language to help users search for information. The InfoCrystal visualizes all the possible binary as well as continuous relationships among N concepts. Users can assign relevance weights to the concepts and set a threshold to select relationships of interest. The InfoCrystal allows users to specify Boolean as well as vector-space queries graphically. Arbitrarily complex queries can be created by using the InfoCrystals as building blocks and organizing them in a hierarchical structure. The InfoCrystal enables users to explore and filter information in a flexible, dynamic and interactive way.

InfoCrystal: a visual tool for information retrieval & management

Browsing tends to be used in two distinctive ways, alternatively associated with the goal of the activity and with the method by which the goal is achieved. In this study, the definition of browsing combines aspects of both concepts to define browsing as an activity in which one gathers information while scanning an information space without an explicit purpose. The objective of this research was to examine how browsers interact with their browsing environment while manipulating two types of interface tools constructed from the content.Forty-seven adults (24 males) performed the two types of tasks (one with no purpose and the second, a control, purposeful) in four sessions over a period of four weeks. Participants scanned and/or searched the textual content of current issue plus three months of back issues of the Halifax Chronicle Herald/Mail Star using a system designed specifically for this research. At any one time only one of each type of tool was available.Those with no assigned goal examined significantly more articles and explored more menu options. They made quick decisions about which articles to examine, spending twice as much time reading the content. They tended not to explore the newspaper to a great extent, examining only 24% of the articles in a single issue. About three-quarters of what they examined was new information on topics that they had not known about before being exposed to the paper. The type of menu had no impact on performance, but differences were discovered between the two items-to-browse tools. Those with no goal selected more articles from the Suggestions and found more interesting articles when the Suggestions were available.

Understanding and facilitating the browsing of electronic text

Hypertext offers users a simple, flexible way to navigate through electronic information systems but at the potential risk of becoming lost in the network of interconnected pieces of information. A study was conducted on information retrieval using a commercial hypertext-based help system. It was found that the predominant search strategy was “browsing” (characterized by scanning tables of contents and paging through topics), rather than employing the indexes ("analytical search"). Although subjects did not get lost, individuals with better spatial visualization skills, as measured by a standardized test, were faster at retrieving information and returned to the top of the information hierarchy less often than those with poorer spatial visualization skills. These results support previous studies that have found a strong preference by users for browsing in hypertext systems and extend those findings to a new domain (help), a different type of user interface, and a different information architecture. In addition, the results demonstrate the importance of spatial visualization ability for efficient navigation and information retrieval in a hierarchical hypertext system.

Information retrieval using a hypertext-based help system

THE GROUP The Human Interface (HI) group is part of product development in the Boston Development Center of Sun Microsystems, and was formed when we developed the Sun386i system. We are now responsible for designing and testing the User Interface (UI) for a range of software products. We also work closely with the HI group on the West coast (managed by Lin Brown) to promote UI standards and innovations.

Human interface at SUN (East)

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Information retrieval using a hypertext-based help system

Human interface at SUN (East)