# Impact of Nudges on Downloads of COVID-19 Exposure Notification Smartphone Apps: A Randomized Trial

> **NCT05080179** · NA · COMPLETED · sponsor: **University of Pennsylvania** · enrollment: 16903 (actual)

## Conditions studied

- COVID-19

## Interventions

- **BEHAVIORAL:** Self-Benefit/Social Norm
- **BEHAVIORAL:** Self-Benefit/No Social Norm
- **BEHAVIORAL:** Other Benefit/Social Norm
- **BEHAVIORAL:** Other Benefit/No Social Norm

## Key facts

- **NCT ID:** NCT05080179
- **Lead sponsor:** University of Pennsylvania
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-12-11
- **Primary completion:** 2021-01-28
- **Final completion:** 2021-01-28
- **Target enrollment:** 16903 (ACTUAL)
- **Last updated:** 2023-08-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05080179

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05080179, "Impact of Nudges on Downloads of COVID-19 Exposure Notification Smartphone Apps: A Randomized Trial". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT05080179. Licensed CC0.

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