Eat more greens

Eat more greens

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  Eat More GreensA conceptual design by Seigo Hara habits.stanford.edu Design Challenge To create health habits through social and mobile technologies Time limit: 10 hours Eat More Greens Seigo Hara Slide #1
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  Eat More GreensPersuasive Purpose Encourage people to eat one more vegetable a day Eat More Greens Seigo Hara Slide #2 Industrial Design Through Facebook, users are informed “today’s vegetable” every day. Users eat that vegetable and earn a point, competing each other to get a prize.
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  User Description College/Graduatestudents who  love eating vegetables They are likely.. Ages 20-30 Eat a few vegetables/day Facebook user Competition lover Eat More Greens Seigo Hara Slide #3
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  Eat “Today’s Vegetable”Clair loves to eat vegetables. She recently has joined Eat More Greens program. In the program, she is assigned to a group of five, in which she will compete for a award. The program is a week-long competition. Every morning, “today’s vegetable” is announced through Facebook. If a participant eat that vegetable, he or she can earn a point. At cafeteria, Clair was thinking what to eat for lunch today. She is reminded today’s vegetable was tomato, so chose tomato pasta for today. Clair took a picture of tomato pasta and post it on Facebook. Now she earned a point. The other participant Chloe noticed her post, and decided to eat tomato soup for dinner. At the end of the week, Clair was awarded a prize for her highest points earned during the week. Eat More Greens Seigo Hara Slide #4 1 3 2
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  Prototype of EatMore Greens Assign five participants to a same group. Ask them to check Facebook page regularly. Administrator randomly pick a vegetable and send a message of “today’s vegetable” everyday. Give a point for each participant when he/she eat “today’s vegetable”, and award the one who earned the highest in a week. SPF 50 Eat More Greens Seigo Hara Slide #5 SPF 50
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  Features/Functionality Leveraging thegroup mentality and competition, Eat More Greens encourage people to increase the habit of eating vegetables. Eat More Greens provides: 1. Pre-set trigger 2. Vegetable lovers community 3. Competition Eat More Greens Seigo Hara Slide #6
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  Theoretical Justifications PersuasiveStrategies Hot Trigger - Trigger (“Today’s vegetable”) is preset at the beginning of the day Simplicity - Little time - Low/no cost - Little physical effort (impact on subtle choice of lunch or dinner) Motivation - Desire to beat others - Desire to win a prize - Fun to see what others’ are eating Eat More Greens Seigo Hara Slide #7
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  Shortcomings of DesignUsers might not check Facebook before meal Trigger might not remind users (Not immediate) Choices might not be available even if users want vegetables Users might be reluctant to take/post a picture Even though this would lead a favorable decision change for a certain vegetable, further research might be needed to see if this actually increase the amount vegetable intake. Not sure how long the impact lasts after the intervention Eat More Greens Seigo Hara Slide #9
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  Expansion - Whatelse is possible? Add more triggers (i.e. Send text message at lunch time) Enhance trigger (i.e. Send recipes or recommended grocery stores) Make it more simple (i.e. Not ask to send a picture, rather just a text message) Enhance motivation (i.e. Attractive prize) Eat More Greens Seigo Hara Slide #10
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  Next Steps inDesign Process Build rapid prototype of Today’s Vegetable Recruit appropriate users User test with target audience Send a message everyday Collect results at the end of the week Measure the results by asking questionnaire Measure the results by in-depth interview Revise the model Iterate Focus groups with different target users Build more sophisticated prototype Usability and learner studies Eat More Greens Seigo Hara Slide #11