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Audiovisual Augmentation of Electronic Consent to Improve Consent Rates and Comprehension: A Randomized Clinical
Pishoy Gouda1,2, LáShauntá Glover1,3, Aarti Kenjale4
1Duke Clinical Research Institute, Durham, North Carolina.
JAMA Network Open
|April 30, 2026
Summary
Audiovisual aids did not significantly improve research consent rates or comprehension compared to text-only. This study suggests that various digital consent methods yield similar outcomes for participant engagement and understanding.
Area of Science:
- Clinical Trials Methodology
- Informed Consent Process
- Health Technology Assessment
Background:
- Audiovisual aids may enhance research participant comprehension and willingness to enroll.
- Empirical data supporting the efficacy of audiovisuals in the consent process are limited.
- Optimizing the informed consent process is crucial for ethical research conduct and participant engagement.
Purpose of the Study:
- To evaluate the impact of audiovisual augmentation on participant willingness to consent to research.
- To assess the effect of different audiovisual consent modalities on consent comprehension.
- To compare text-only consent with consent supplemented by physician, patient, or animated videos.
Main Methods:
- A multiarm randomized clinical trial embedded within the RESILIENCE cohort study.
- Participants were randomized to receive consent information via text-only, text with physician video, text with patient video, or text with animated video.
- Primary outcome: consent provision; Secondary outcome: consent comprehension assessed via survey. Analyses used log-linear Poisson regression.
Main Results:
- Overall consent rate was 57.9% (888/1535), with no significant differences across the four consent delivery strategies.
- Consent comprehension rates were high (86.4%) among those who consented and completed the survey.
- No significant variations in consent comprehension were observed between the text-only group and the audiovisual intervention groups.
Conclusions:
- Virtual consent delivery using text alone or augmented with videos (physician, patient, animated) resulted in similar rates of consent and comprehension.
- The findings suggest that current audiovisual enhancements do not offer a significant advantage over traditional text-based consent in this virtual trial setting.
- Further research across diverse populations and study types is recommended to optimize digital consent strategies for informed participant recruitment.
