1. SWICKR Alex Odle, Rylan Hawkins, Joe Woo, Mazen Hassan

2. Overview  Overall Problem and Solution  Task Demonstration  Tasks  Design Evolution  Current UI  Final Test  Summary

3. Overall Problem and Solution Find a StoreView a menu Choose your products Order them Wait in Line On the Way PROBLEMSOLUTION

4. Task Demonstration Difficult – Find the closest Starbucks and order a Grande Vanilla Frappuccino. In addition, add this item to your favorites.

5. Overview  Overall Problem and Solution  Task Demonstration  Tasks  Design Evolution  Current UI  Final Test  Summary

6. Task 1 – Order a Vanilla Frappuccino Task 2 – Order from your favorites Task 3 – Order for you and a friend The Tasks

7. Task 1 – Order a Vanilla Frappuccino Task 2 – Order from your favorites Task 3 – Order for you and a friend The Tasks Why these tasks?

8. The Tasks Maximum amount of coverage. Varying difficulty levels. Aligned with survey and task analysis results.

9. Design Evolution How did we get to this point?

10. Survey and Task Analysis Match between system and real world

11. Survey and Task Analysis Match between system and real world Map Proximity is key Favorites People order the same things

12. Low Fidelity Prototype User Control and Freedom Error Prevention Consistency and Standards

13. Low Fidelity Prototype User Control and Freedom No way for user to change an order except press the back button.

14. Low Fidelity Prototype User Control and Freedom

15. Low Fidelity Prototype Error Prevention

16. Low Fidelity Prototype Error Prevention

17. Low Fidelity Prototype Consistency and Standards Don’t redefine expected behaviors.

18. Heuristic Evaluation User Control and Freedom

19. Heuristic Evaluation User Control and Freedom

20. Current User Interface What does it do? How does it work? What is it missing?

21. Final User Test Online Survey Lab Experiment

22. Online Survey - Method Implemented Logging Tracked time to task completion Number of erroneous clicks

23. Online Survey - Results First task average completion time was 7:10 Second task average completion time was 0:32 Third task average completion time was 1:35 What does this tell us? How do we fix this?

24. Lab Experiment - Method Observed users as they went through tasks Used an actual iPhone

25. Lab Experiment - Results Most users had trouble with Map page High fidelity vs. low fidelity issues What does this tell us? How do we fix this?

26. Final User Test Online Survey vs. Lab Experiment Quantitative vs. Qualitative

27. Summary User experience driven changes Iteratively better product Different stages yield different challenges

28. Questions?