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Learnability
- Some users did not understand the panel in which they specify their availability. Thus, we added a brief explanation.
- Because some users mistakenly looked around in "My Carpools" before noticing the "Next Date" tab, we decided to highlight the tab to make it more obvious.
- Some non-native English speaking testers were confused by the wording on the "My Carpools" tab. We had referred to the user as "You" when assigning pickup dates on the schedule, which could be misconstrued as a person's name in some languages. In this new prototype, we decided to simply refer to the user by their name instead.
- Originally, we didn't want to include instructions because, as discussed in class, a good user interface does not require much explanation. However, swapping dates is not a regular function, and all of our testers had trouble with that task. The same can be said about choosing your availability when setting up a carpool. We decided to include more descriptive instructions for availability and the swapping interfaces, sacrificing efficiency for the sake of learnability.
- Users had a lot of trouble figuring out how to swap dates. We decided to scrap our original design altogether and add a separate tab specifically devoted to date swaps so that the function could be more easily accessed (also ties in with efficiency).
- Because all three users complained about the wording for the ride tracking interface on the mobile app, we changed "Track Ride" and "Untrack Ride" to "Enable Ride Tracking" and "Disable Ride Tracking," respectively, to make the button labels more intuitive and improve learnability.
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