1. An E-mail Based Intervention for Daily Sunscreen Application on MBA Students Eric Kinariwala habits.stanford.edu

2. outline Goal: Persuade 5 MBA Students to Apply Sunscreen Daily Method: Daily E-mail Reminder and E-mail Response Persuasive Elements: -Attach Daily E-mail to Existing Routine (morning hygiene routine) -Humorous Daily E-mail creates reason to open e- mail (staves off reminder attrition)

3. participants Eight first year MBA students at the Stanford Graduate School of Business 2 Women and 6 Men All have sunscreen or moisturizer Frequent (and obsessive) e-mail users All own smartphones (mostly iPhones) Busy and erratic schedules; Outdoor daily [insert student photos here]

4. trigger daily e-mail at ~7am with short description of the weather and a humorous image

5. response students read e-mail in morning during morning routine; responded via smartphone or desktop indicating application at various points during the day. Students enjoyed the humorous images

6. results eight total participants received daily e-mails

7. results eight total participants received daily e-mails

8. summary Overall five of eight students showed high response rates (86% average) Women were more responsive than men (100% response rate among women, 73% for men) Frequent e-mail users and typically quick responders had better response rates