Recently I wrote about a little UX exercise I did at work. It was about prototyping for designers. I’ve been building a prototype of a donation box, to help a colleague to collect some compensation for his expenses—Designers also should build physical prototypes


Meanwhile, that fellow colleague has set up an a/b-test, to find out how to increase the amount per donation. It’s very interesting to see, which issues, or hypothetical improvements were already addressed, while not being aware of my last article.

  • Security — there’s no lock on the prototype
  • Insertion slot — big coins, like our 2€, don’t fit
  • Visual Design — as it is a quick and dirty prototype, the design is quite basic, even ugly
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