This SIG is a forum to advance an integrated approach to multi-modal Natural User Interfaces. Up until now the research and design of NUI interfaces for various modalities (speech, touch, gesture) has proceeded independently. We propose having an integrated discussion with both academics and practitioners to stimulate the exchange of knowledge about the various modalities and how they might be fruitfully combined, andidentifying key areas of future research and design that make the case for multi-modal NUIs. The goal is to not only create a vision of synthetic applications of NUI by connecting researchers but to also discuss ways to make the vision a reality.
Although many visualization techniques have been shown to be pedagogically effective, they are still not widely adopted. The reasons include: lack of suitable methods of automatic-generation of visualizations, lack of integration among visualizations, and lack of integration with basic integrated development environment (IDE) support. To effectively use visualizations when developing code, it is useful to automatically generate multiple synchronized views without leaving the IDE. The jGRASP IDE provides object viewers that automatically generate dynamic, state-based visualizations of objects and primitive variables in Java. Such seamless integration of a lightweight IDE with a set of pedagogically effective software visualizations is unique and is currently unavailable in any other environment. Multiple instructors have reported positive anecdotal evidence of their usefulness. We conducted formal, repeatable experiments to investigate the effect of these viewers for singly linked lists on student performance and we found a statistically significant improvement over traditional methods of visual debugging that use break-points.
This workshop will identify best practices for longitudinal research through an in-depth exploration of methods and metrics for collecting and analyzing user data over time. This is the fourth event in an ongoing effort by the organizers to enhance our current body of knowledge about longitudinal research.
The interest in longitudinal studies of users' experiences and behaviors with interactive products is mounting, while recent methodological advances have enabled new ways to elicit as well as process longitudinal data. With this workshop we want to establish a forum for the exchange of knowledge and discussion on novel theories, methods and experiences gained through case studies of longitudinal HCI research. This is an effort towards the collection of best practices for an edited book publication.
The jGRASP lightweight IDE has been extended to provide object viewers that automatically generate dynamic, state-based visualizations of data structures in Java. These viewers provide multiple synchronized visualizations of data structures as the user steps through the source code in either debug or workbench mode. This tight integration in a lightweight IDE provides a unique and promising environment for learning data structures. Initial classroom use has demonstrated the object viewers' potential as an aid to students who are learning to write and modify classes representing data structures.Recently completed controlled experiments with CS2 students indicate that these viewers can have a significant positive impact on student performance.
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