Participatory Design (PD) is envisioned as an approach to democratizing innovation in the design process by shifting the power dynamics between researcher and participant. Recent scholarship in HCI and design has analyzed the ways collaborative design engagements, such as PD situated in the design workshop can amplify voices and empower underserved populations. Yet, we argue that PD as instantiated in the design workshop is very much an affluent and privileged activity that often neglects the challenges associated with envisioning equitable design solutions among underserved populations. Based on two series of community-based PD workshops with underserved populations in the U.S., we highlight key areas of tension and considerations for a more equitable PD approach: historical context of the research environment, community access, perceptions of materials and activities, and unintentional harm in collecting full accounts of personal narratives. By reflecting on these tensions as a call-to-action, we hope to deconstruct the privilege of the PD workshop within HCI and re-center the focus of design on individuals who are historically underserved.

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Exergames have been growing in popularity as a means to get physical exercise. Although these systems have many potential benefits both physically and cognitively, there may be barriers to their use by older adults due to a lack of design consideration for age-related changes in motor and perceptual capabilities. In this paper we evaluate the usability challenges of Kinect-based exergames for older adults. Older adults rated their interaction with the exergames system based on their perceived usefulness and ease-of-use of these systems. Although many of the participants felt that these systems could be potentially beneficial, particularly for exercise, there were several challenges experienced. We discuss the implications for design guidelines based on the usability challenges assessed.

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Purpose-Maintaining physical activity is a key component of successful aging and has benefits for both physical and cognitive functioning in the older adult population. One promising method for engaging in physical activity is through exergames, which are video games designed to promote exercise. Exergames have the potential to be used by a wide range of people, including older adults, in a variety of settings, such as at home, in community living environments, or senior centers. However, exergames have not been designed for older adults (e.g., with respect to their attitudes, needs). Thus, older adults may not adopt these systems if they perceive them as not useful or relevant to them. Method-Twenty older adults (aged 60-79) interacted with two exergames, and were then interviewed about their perceptions of the system's ease of use and usefulness, as well as their general attitudes towards the system. Results-Participants identified the potential for exergames' usefulness for various goals, such as to increase their physical activity. However, they also reported negative attitudes concerning the system, including perceiving barriers to system use. Overall, participants said they would use the system in the future and recommend it to other people at their age for improving health, despite these use challenges. Conclusion-The older adults were open to adopting exergames, which could provide opportunities to increase physical activity. Given the participants' overall positive perceptions of the usefulness of exergames, designers must address the perceived challenges of using these systems. Understanding barriers and facilitators for older adults' use of exergames can guide design, training, and adoption of these systems.

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Sudden deaths leave families in crisis and interacting with many professionals from notification through to burial. Whether to view the deceased is often central to discussion. Practice guidelines have evolved over time regarding where, when, how, and why viewing should or should not occur. Unfortunately, there is much contradiction in existing recommendations and a marked absence of a supporting evidence base for the practice of viewing itself, and the influence of this practice on the overall bereavement process. Using a qualitative approach, this study explored the perspectives and experiences of the suddenly bereaved with respect to: viewing or not having viewed; whether or not their viewing experiences have impacted on their bereavement process; and explored particular aspects of their experience such as interactions with various professionals. Results of this study are clustered and presented under three core themes: viewing specifics; intrapersonal responses; and professional interactions.

The advancement of digital technologies particularly in the domain of mobile health (mHealth) holds great promise in the promotion of health behavior. However, keeping users engaged remains a central challenge. This paper proposes a novel approach to address this issue by supplementing existing and future mHealth applications with an engagement wrapper - a collection of engagement strategies integrated into a single, coherent model. The engagement wrapper is operationalized within the format of an ambient display on the lock screen of mobile devices.