1. Providing customers with the tools they need to police their own
food storage habits, guide their purchases, and motivate them to
save money and reduce food waste.

2. Overview Initial tasks Prototype construction Scenarios from tasks
User testing our scenarios
Gathering results
Changes to the prototype

3. Task: Food Storage Monitor food storage habits Notification
Overwrite prior bad habits, develop new good habits

4. Task: Food Status Reminder
sent with food soon spoiling
Adjust date/time to be convenient
Helps form better buying and usage habits

5. Task: Recipes Select items that will soon go bad
Look up recipes using them
Encourages using food that will soon otherwise be wasted!

6. Low-Fi Prototype Structure

7. Scenario: Foodwatch Setup

8. Scenario: Foodwatch Setup

9. Scenario: Foodwatch Setup

10. Scenario: Foodwatch Setup

11. Scenario: Foodwatch Setup

12. Scenario: At the Store

13. Scenario: At the Store

14. Scenario: At the Store

15. Scenario: At the Store

16. Scenario: At the Store

17. Scenario: At the Store

18. Scenario: At the Store

19. Scenario: At the Store

20. Scenario: Storage Reminder

21. Scenario: Storage Reminder

22. Experimental Method Variety of people Prepare tester Lay out scenario
Watch them work
Questions/Feedback
~15 minutes
Noted:
Subjects' errors
Where people looked for their next action
Speed
Overall impression of Foodwatch
Suggestions

23. Experimental Results Participant 1: Basic navigation was intuitive
Word choice for buttons
Participant 2:
Novice smartphone user
Wanted more information displayed
Participant 3:
Saw freshness meter as quantity
Looked for iPhone parallels

24. Using the Results Freshness display Time-setting
Sorting recipe ingredients
More information at a glance
Button options

25. Conclusion Task-focused design Transition to scenarios
Basic ideas worked well
Details really, really matter
More changes to prototype ahead