stanford university, fall 2006 cs377p: persuading people online and via mobile phones drink doctor...
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Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #1
Drink DoctorDrink DoctorA conceptual captology design by A conceptual captology design by
Andrew Gadson, Brett Hofer, & Amos SchallichAndrew Gadson, Brett Hofer, & Amos Schallich
Design ChallengeTo design a mobile application that persuades college
students to live healthier lives.
Time limit: 15 hours
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #2
Drink Doctor
Persuasive PurposeTo encourage college students who choose to drink alcohol to exhibit responsible drinking habits and avoid the dangers of binge drinking.
Industrial Design
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #3
User Description
College freshman who arrive at school and find themselves confronted with easy access to alcohol and frequent social drinking.
Students with prior drinking experience who want to make sure that they reach a safe and desirable level of intoxication.
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #4
Freshmen’s First Friday
Tim is a new freshman. He’s excited to start classes and enjoy the college party scene.
Friday night, everyone gets together before the parties. Some students choose to drink
before going out.
Tim has never drank before. He decides to give it a try, but he remembers to turn on his
phone’s DrinkDoctor application!
Everyone’s in a hurry to go party, so they drink very fast. Tim has the equivalent of 5
drinks in just 15 minutes.
James asks Tim to have another drink, but DrinkDoctor reminds Tim he may not feel the alcohol’s full effect yet. He decides to pass.
Tim goes out to the parties, has a great time, and returns to his dorm safely. Tim has really
enjoyed his first Friday night at college.
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #5
Drink Doctor Prototype
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #6
Features/Functionality
• Customizable profile based on weight and gender.
• Tracks BAC as you drink according to number of drinks and time elapsed
• Provides warnings and advice via pictures and text as you become increasingly intoxicated
• Notifies predefined contacts of your status and location when in danger
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #7
Theoretical Justifications
• Large population of college students exposed to social drinking and potentially dangerous situations
• Easy-to-UseEasy-to-Use – simple interaction and reminders• Warning and ExplanationWarning and Explanation – offering reasons for
drinking responsibly and warning of consequences• SurveillanceSurveillance – watching and reporting about user
through accurate measurements and proven results.
• Intrinsic MotivationIntrinsic Motivation – not wanting to be sick, but wanting to have fun
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #8
Results of User Testing• Justin, Junior (experienced drinker)
– “Experience is the only way to learn” – Warnings: Pictures are better than text – More effective for experienced drinkers (already know consequences)– Self-Report weak: have it vibrate/beep to remind user– Text message to friends good idea
• Ryan, Freshman (intermediate drinker)– “I’d hope someone else had it, and try to get mine higher”– “Don’t need a meter to tell me how drunk I am, I know how drunk I am”– Likes idea of stat tracking along with notes
• Lee, Freshman (inexperienced drinker)– Warnings would be useful, would acknowledge them– Facts are powerful, stat-tracking cool– If tipsy, will I care anymore– Accompany with a seminar on the dangers of drinking (freshman)
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #9
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #9
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Shortcomings of Design
• Could cause users to turn drinking
into a competition• Lacks the accuracy and ease of a standard
breathalyzer• Users may become too intoxicated to
accurately update drinks• Does not replace personal experience• Does not fully counteract the peer pressure of
social drinking
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #10
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #10
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Expansion - What else is possible?• Automate drink input system
• Built-in breathalyzer
• One click to add a drink with or without opening phone
• Vibrate/Ring to remind user to add drinks at a regular interval
• Stat tracking to help experienced users make smart decisions
• Find a way to add positive reinforcement
• Support for 3rd party tracking
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #11
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #11
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Next Steps in Design Process
• Develop a fully-functioning prototype• Perform “live” user tests where users possess
prototypes during a night of partying• Schedule more focus groups with both
experienced and inexperienced college drinkers
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #12
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #12
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Summary
• Drink Doctor helps promote
responsible drinking habits
- Encourages both experienced and novice drinkers to keep track of how intoxicated they are.
- Warns users of the consequences of drinking too much and provides constant feedback.
- Contacts peers (friends, family, residential staff, etc) automatically when the user is in danger.
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #13
Evaluation of Captology Design Project
How well does the design idea fit into the realm of captology?
0 1 2 3 4 5 6 7
How well does the design match the design brief?
0 1 2 3 4 5 6 7
How viable/convincing is the proposed solution?
0 1 2 3 4 5 6 7
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #14
Evaluation continued…
How effectively did the presentation communicate?
0 1 2 3 4 5 6 7
How well does the document communicate?
0 1 2 3 4 5 6 7
Bonus Points
How clever/insightful is the proposed solution?
0 1 2 3 4 5 6 7
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #15
Additional Comments:
Overall remarks or additional comments here
Stanford University, Fall 2006CS377p: Persuading People Online and Via Mobile Phoneswww.captology.org
Drink DoctorAndrew Gadson, Brett Hofer, Amos Schallich
Slide #16
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