- Conditions
- PreDiabetes
- Interventions
- Episodic Future Thinking, Episodic Recent Thinking, Scarcity Narrative, Neutral Narrative
- Behavioral
- Lead sponsor
- Leonard Epstein
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 78 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018
- U.S. locations
- 2
- States / cities
- Buffalo, New York • Roanoke, Virginia
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- Conditions
- Covid19, Vaccine Refusal
- Interventions
- Behavioral economics
- Behavioral
- Lead sponsor
- VA Puget Sound Health Care System
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 4,311 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Covid19
- Interventions
- Opt-In (Call-Back), Opt-in (In-Bound), Standard Message, Clinician Endorsement, Scarcity, Opt-Out Framing, Phone Call
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 16 Years and older
- Enrollment
- 19,554 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Alcohol Use Disorder
- Interventions
- Scarcity Narrative, Neutral Narrative
- Behavioral
- Lead sponsor
- Virginia Polytechnic Institute and State University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 124 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Roanoke, Virginia
- Conditions
- Vaccination Refusal, Communication
- Interventions
- Social Proof, Reframing, Scarcity Message
- Behavioral
- Lead sponsor
- Geisinger Clinic
- Other
- Eligibility
- Not listed
- Enrollment
- 9,566 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania