An exploration of space-time constraints on contextual information in image-based testing interfaces
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abstract
Digital image collection interface layouts vary in the nature and degree of contextual information they provide to their users, thus enabling or impeding specific tasks. We are exploring image presentation techniques to support imagecentric cognitive tasks in the context of cardiovascular systems research and education. To investigate the effect of image layout on user performance, we conducted an experimental evaluation of three image layouts for three representative tasks in this domain. The layouts varied the spatial and temporal presentation of images, thus providing different contextual information to the test subjects. Our results indicate that the degree of contextual information provided by the image layouts affected user performance, as did their research expertise. These results will inform the design of user interfaces for performing image-focused cognitive tasks as well as the development of interfaces for training novice researchers. Springer-Verlag Berlin Heidelberg 2006.
