Chapter 3 60 “Sometimes, I think the medication is not that important. […] Only when you really experience complaints you look for your medication. However, when you use something like this [augmented reality t-shirt], and you see it is not going well over there, you directly are going to use it. Yes, I have the feeling that now I want to use my maintenance medication. [Male, 44]” Based on the gathered insights regarding the target group’s attitudes toward the prototypes, three design requirements were formulated: (1) The design should be able to objectively monitor the user’s respiratory health semiautomatically over time. (2) The design should engage the user in this monitoring process by providing a feeling that the product is innovative and useful. (3) The design should create awareness about respiratory health through feedback that is realistic and displays the respiratory system in its entirety. 3.3.5 Second iteration – The final concept Following the formulated design requirements, we conducted a second iteration consisting of another ideate, prototype, and test stage to arrive at a final concept. This process consisted of concept detailing and technical design, with descriptions extending beyond this paper’s scope. The final concept aims to provide awareness through a smartphone app demonstrating data on inhaler use and asthma control. The system allows the user to zoom in on the lungs and explore relations between respiratory concepts. Simplistic icons and illustrations are used to visualize the more complicated underlying physiological processes. For example, a blue arrow that depicts a person’s asthma state is presented as the amount of air that can flow through the bronchi. Inhaler data, a proxy for underlying respiratory inflammations, are visualized as respiratory cilia being “in- or out-of-balance,” depending on the frequency of maintenance inhaler use. Hence, the maintenance medication is framed as a “helper” to bring back balance to the disturbed respiratory system. An animation video describing the concept, its functionality, and scenarios of use was developed by the first author with Adobe Premiere Pro (Adobe) (Adobe, 2022). The video communicated the concept in a concise and engaging way to the participants. In addition, the first author developed paper-based visual prototypes of the key interface screens that would facilitate the discussion afterward. For the evaluation sessions, Pharos, an expertise center familiar with developing and evaluating education material for people with LHL invited 5 people with LHL to participate in 1.5-hour interview sessions during which the prototype was discussed. A trained and experienced employee of the expertise center conducted the interviews. Each interview started with displaying the video-prototype, after which the participants
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