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Final design challenge
Final design challenge
The final design challenge was made during the second phase of the project, after receiving new information and getting new insights. The design challenge can be found below.
“We want to co-design an app and smartwatch that will help our co-designer with creating appointments and receiving reminders. This product needs to have no learning curve and can only require the user to recall up to three things at a time. It should reduce the complexity of and the number of steps it takes to set appointments and automate steps taken as much as possible. ”
This design challenge is specifically focused on the concept chosen, namely the agenda. The main goal of that concept was to improve the co-designers experience with creating appointments and receiving reminders. This product should be perceived intuitively since the participant is not able to learn new tasks. Additionally, the product can only require him to recall up to three things maximum because that is his personal limit. To achieve the goals described before, the number of steps should be reduced compared to his current appointment-making activities. This means that several steps should be automated.
Usability heuristics
Usability heuristics
Nielsen’s 10 usability heuristics can be used to help determine some of the user requirements of this product. All 10 heuristics are very important when designing any product/service, however, specifically visibility of system status and recognition rather than recall are important in order to create a useful product for our participant.
The visibility of system status always keeps users informed about what is going on. This is especially very important because our participant has STM loss, meaning having a constant reminder to let them know what is happening around them would be essential for them to use the product. Ideas for the concept direction of an agenda could be including a countdown timer until their next appointment. Another way to visualize the system status is being able to look at their watch and know right away what time slot they are in, for example, that they are free at the moment. Lastly, it should keep the participant in check that they are indeed creating a new agenda activity when creating a new appointment.
Recognition rather than recall minimizes the user’s memory load by making elements, actions and options visible. This heuristic is especially important for our participant as they can’t recall information they gained after their stroke, thus recognition and no recall would be the ideal usability heuristic. When applying this concept to the design it is important to keep in mind that instead of Miller’s magic number 7 (± 2) our participant can only remember a maximum of 3 items at a time. Meaning the overall information load should be minimized, including the minimization of the application’s functions. This can be done by deleting certain functions from the calendar that our participant does not use.
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