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* leanablity high there really noothing to learn
* efficiency high can’t be faster
* saftey low like before if you click done you have to go to a different menu to cancel.
Design 2
Pros: This UI has only one main page which displays practically all of the useful information. Because everything happens from one main page it also limits the number of clicks required to perform any action.
Cons: This UI packs a lot of information into a small space, and tries to have everything originate from one page. This can lead to description errors. Furthermore the densely packed interface doesn't have labels and could lead to difficulty learning.
Task 1 (Charles)
| Charles opens the Next Ride website and enters his name and number and hits ok. This is simple, learn-able and difficult to screw up. This would be slow to do every time, however if this information is stored in a cookie it should be efficient in that it is only done once. |
| This brings him to the main page which defaults to the “To Campus” tab. He can see the Date at the top, and the current hour is blown up in detail at the top of the scroll pane. He looks at the times between 11am and 3 and sees that 2 people are requesting a ride at 2. He clicks on the 2:00 time block and a menu opens up. This UI sacrifices learnability for efficiency. It is not immediately obvious that the times, cars and 'requests' are clickable. However, the display packs in a lot of information that is easy to parse quickly, and requires only a single click to get to the schedule menu. |
| The schedule screen allows Charles to schedule a ride. He chooses the type of ride (car), the number of spots (4) and the time (which defaults to the selected time 2:00pm). In order to help charles choose a specific time requests near the selected time are shown. He can choose to recieve SMS notifications (for when people join/leave his ride). He then clicks ok. This UI has a number of clearly labelled fields which can be edited which is easy to learn. The defaults allow the user to get through the UI quickly. The immediate feedback in the UI provides safety and the user can always click cancel if they didn't intend to schedule a ride. |
| This returns Charles to the original screen where he can see that his car has been added at 2:00pm with 4 seats. This gives the user immediate feedback about their action. |
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