In this paper, we report on one lab study and seven follow-up studies on a crowdsourcing platform designed to investigate the potential of animation cues to influence users' perception of two smart systems: a handwriting recognition and a part-ofspeech tagging system. Results from the first three studies indicate that animation cues can influence a participant's perception of both systems' performance. The subsequent three studies, designed to try and identify an explanation for this effect, suggest that this effect is related to the participants' mental model of the smart system. The last two studies were designed to characterise the effect more in detail, and they revealed that different amounts of animation do not seem to create substantial differences and that the effect persists even when the system's performance decreases, but only when the difference in performance level between the systems being compared is small.
The Internet of Things (IoT) promises to enable applications that foster a more efficient, sustainable, and healthy way of life. If end-users are to take full advantage of these developments we foresee the need for future IoT systems and services to include an element of autonomy and support the delegation of agency to software processes and connected devices. To inform the design of such future technology, we report on a breaching experiment designed to investigate how people integrate an unpredictable service, through the veg box scheme, in everyday life. Findings from our semi-structured interviews and a twoweek diary study with 11 households reveal that agency delegation must be warranted, that it must be possible to incorporate delegated decisions into everyday activities, and that delegation is subject to constraint. We further discuss design implications on the need to support people's diverse values, and their coordinative and creative practices.
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