67 Designing with and for people with limited health literacy 3 Four overarching design concepts resulted from these sessions, each combining multiple solution possibilities. The concepts included were (1) a smart wheezedetecting sensor to objectively monitor asthma state, (2) an immersive experience using augmented reality to engage the user in the monitoring process, (3) a playful spirometer, and (4) a wake-up experience, displaying the result of nocturnal asthma symptoms. We translated the concepts into low-fidelity prototypes to explore their feasibility and facilitate the upcoming feedback session with the participants. The prototypes consisted of cardboard mock-ups, physical artifacts, and off-the-shelf products, such as an augmented reality T-shirt with a projection of the lungs (Figure 3). Figure 3. Low-fidelity prototypes and visual explainers positioned in an exhibition-style setup during a evaluation session. Stage 5: test Three patients with asthma and with LHL participated in the experience prototype evaluation sessions. The evaluations took place at the health facility in their neighbourhood, were audio recorded, and took approximately 1 hour. Participant responses (e.g., experiences, attitudes, thoughts, and needs) for each (part of the) prototype were captured with corresponding quotations. Two days before the session, the participants received a link to a short introduction video. In the video, the researcher introduced himself and explained in lay terms the research setup. This helped set a familiar face, manage expectations, and build initial rapport. This was deemed essential to facilitate the participants’ engagement, as anxiety toward research and the research team is a common barrier in socially disadvantaged groups (36). The session started with a brief individual interview about the demographics, living conditions, and how the participant experienced their asthma. Thereafter, the first author presented the prototypes and invited the participant to interact freely with
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