Rand

This study tests whether offering small prizes (phone credit) can encourage young people aged 15-30 with HIV to take their medication every day. 560 participants in Uganda are split into groups with different reward rules. The goal is to see if these low-cost incentives improve a…

This study tests whether a drug prevention program called Project ALERT, combined with a support tool called Getting to Outcomes, can reduce substance use among 7th and 8th graders. Researchers will track students' alcohol, cigarette, marijuana, and other drug use, as well as the…

This study tests whether community health workers can help adults with chronic illnesses get up-to-date on COVID-19 and flu vaccines. Participants receive up to three counseling sessions in English or Spanish to address their vaccine concerns. The goal is to reduce health dispari…

This trial tests whether Written Exposure Therapy (WET), a brief six-session therapy involving guided writing about a traumatic event, can reduce PTSD symptoms in adults receiving care at Federally Qualified Health Centers. The study enrolls 720 English- or Spanish-speaking adult…

This study aimed to see if simple electronic reminders could help doctors reduce risky medication combinations in older patients. It planned to enroll primary care clinicians and use behavioral nudges in the electronic health record. However, the trial was withdrawn before any pa…

This study aimed to see if asking patients four simple questions about their thinking and memory during a yearly checkup would lead doctors to order more tests or referrals for cognitive decline. The plan was to compare doctor behavior before and after adding the screener. Howeve…