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In the third task, our first user had a few difficulties. While she was able to find the note from the previous user of her washing machine, the affordance for replying to the note was not very clear to her. The display of "Message User" was in a box that was not implying three dimensions, so she thought that it was just instructions and she "closed" our popover, and chose "Leave your own note" to reply to the user's message!
This user also All of our initial user testers asked about our use of the word "Idle" to describe some laundry machines. We had meant for this term to indicate that a machine had finished running but was still full of clothing\; such a ; such a machine could be used if the user was willing to move the previous user's laundry. Some users understood this idea with thought, and others needed an explanation, but when we asked for comments this was the most frequently indicated problem. We had to pick a clearer term for this concept.
Prototype Iteration
Based on the observed interaction with task 3, we decided to change our popover to reflect a 3-D button marked "Reply" instead of "Message User," as seen in our second prototype iteration. We also changed the "Leave your own note" caption to "Leave instructions," which is less likely to be confused for replying functionality.
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