Browsing by Author "Watson, D."
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Item Metadata only Deconstructing the Touch Experience(ACM, 2013) Watson, D.; Hancock, M.; Mandryk, R.L.; Birk, M.In this paper, we evaluate the performance and experience differences between direct touch and mouse input on horizontal and vertical surfaces using a simple application and several validated scales. We find that, not only are both speed and accuracy improved when using the multi-touch display over a mouse, but that participants were happier and more engaged. They also felt more competent, in control, related to other people, and immersed. Surprisingly, these results cannot be explained by the intuitiveness of the controller, and the benefits of touch did not come at the expense of perceived workload. Our work shows the added value of considering experience in addition to traditional measures of performance, and demonstrates an effective and efficient method for gathering experience during inter-action with surface applications. We conclude by discussing how an understanding of this experience can help in designing touch applications.Item Metadata only Overcoming Interaction Barriers in Large Public Displays Using Personal Devices(ACM, 2014) Cheung, V.; Watson, D.; Vermeulen, J.; Hancock, M.; Scott, S.D.This work presents a design space in which personal devices are used as a means to facilitate "socially safe", ad-hoc interaction with large public displays. Unlike most existing work that focuses on facilitating content placement and transfer, this approach aims at minimizing the effort required to initiate, sustain, and withdraw from interaction with a large public display, and to communicate these capabilities to passersby. We identify barriers hindering this process, and offer advice on overcoming them based on existing work and our own experiences with these displays. We illustrate how this design concept can be applied, and motivate applications in other domains.