Bracelet scanner
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We first identified stakeholders, created personas (made up profiles of a possible users), analysed the tasks they might want to undertake and the problems they might encounter and wrote scenario's for those tasks and problems. For me it helped that my younger brother used to have a lot of food allergies, making it easy to relate and sympathise with our personas. We also conducted interviews and slowly started to envision a design by compiling a list of requirements for our product. Note that this form of ideation is very different than what I had practiced with a quartile earlier, during 'From Idea to Design'.
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Next, we created a lo-fi paper prototype to do some preliminary tests for the look and feel of the device. At this point, the functions became clearer and we started writing and refining a task description. We did heuristic evaluations and cognitive walkthroughs to find flaws our design could improve on. We mainly added screens to the interface, and did not change much to the look and feel before making the second prototype to use for user testing.
As I said, the interface went through quite some changes, as can be seen below.
We finally conducted more user tests, which had good results. Overall, people were enthusiastic about our design, found it easy to use and understand, and pleasant to use.
I learned a lot about validation, an important step of any design process. This being my second design process, it was interesting to take a very different approach to coming up with ideas and continually tweaking them. I found the principles of User-centered design very interesting, things like: mapping, affordance, constraints, visibility and feedback. It made me a lot more critical of objects around me, and made me see flaws and points for improvement in everyday objects.
I learned a lot about validation, an important step of any design process. This being my second design process, it was interesting to take a very different approach to coming up with ideas and continually tweaking them. I found the principles of User-centered design very interesting, things like: mapping, affordance, constraints, visibility and feedback. It made me a lot more critical of objects around me, and made me see flaws and points for improvement in everyday objects.