Influence of Social Media Ads on Food Choice - Master Protocol
Examining Influence of Social Media Ads on Black and White Adolescents' Food Choices: Master ClinicalTrials.Gov Protocol for Aim 1 (NCT05380505), Aim 2 (NCT06969638) and Aim 3 (NCT06969651).
2 other identifiers
interventional
3,650
1 country
1
Brief Summary
This is a Master ClinicalTrials.gov Protocol for study 20-01796: Aim 1: Examining Influence of Social Media Ads on Black and White Adolescents' Food Choices - Study 1 (NCT05380505) Aim 2: A Randomized Trial to Examine the Influence of "Likes" in Social Media Food Ads on Black and White Adolescents' Food Purchases - Study 2 (NCT06969638) Aim 3: Comparing the Effects of Racial Congruence, "Likes," and Food Images in Social Media Ads on Adolescents' Caloric Intake - Study 3 (NCT06969651)
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Mar 2022
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 16, 2022
CompletedFirst Submitted
Initial submission to the registry
November 18, 2025
CompletedFirst Posted
Study publicly available on registry
November 25, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 1, 2026
November 25, 2025
November 1, 2025
4.2 years
November 18, 2025
November 18, 2025
Conditions
Outcome Measures
Primary Outcomes (6)
Number of Calories Purchased
Aim 1 Participants only.
Day 0 (approximately 15 minutes )
Number of Calories Purchased
Aim 2 Participants only.
Day 0 (approximately 5 minutes)
Caloric Intake
Aim 3 Participants only. Number of calories consumed during the study protocol.
Day 0 (approximately 60 minutes)
Visual Attention to Ad Features - First Fixation
Aim 3 Participants only. Measured as time to first fixation to the advertisement.
Day 0 (approximately 60 minutes)
Visual Attention to Ad Features - Gaze Duration
Aim 3 Participants only. Measured as the gaze duration during the advertisement.
Day 0 (approximately 60 minutes)
Visual Attention to Ad Features - Number of Fixations
Aim 3 Participants only. Measured as the number of fixations on ad features.
Day 0 (approximately 60 minutes)
Secondary Outcomes (4)
Attitude Toward Ad
Day 0 (approximately 15 minutes )
Time Spent Viewing Ad
Day 0 (approximately 15 minutes )
Attitude Toward Ad
Day 0 (approximately 5 minutes)
Engagement with Ads
Day 0 (approximately 5 minutes)
Study Arms (14)
(Aim 1) Condition 1: Race Congruent Ads
EXPERIMENTALParticipants will complete a 15-minute survey in which they will be randomized to view and rate Facebook food ads associated with their condition. Then they will complete a food purchasing task in which they will shop in an online store that will display six food items and six beverages. Finally, they will answer demographic questions (e.g., self-reported height and weight) and view a debriefing summary that describes the full purpose of the study.
(Aim 1) Condition 2: Race Incongruent Ads
EXPERIMENTALParticipants will complete a 15-minute survey in which they will be randomized to view and rate Facebook food ads associated with their condition. Then they will complete a food purchasing task in which they will shop in an online store that will display six food items and six beverages. Finally, they will answer demographic questions (e.g., self-reported height and weight) and view a debriefing summary that describes the full purpose of the study.
(Aim 2) Black Many Likes
EXPERIMENTALFood ads with many "likes" and featuring Black individuals
(Aim 2) Black Few Likes
EXPERIMENTALFood ads with few "likes" and featuring Black individuals
(Aim 2) White Many Likes
EXPERIMENTALFood ads with many "likes" and featuring White individuals
(Aim 2) White Few Likes
EXPERIMENTALFood ads with few "likes" and featuring White individuals
(Aim 3) Block 1: Black-Food
EXPERIMENTALExposure to ads with a Black person featuring a food product
(Aim 3) Block 2: White-Food
EXPERIMENTALExposure to ads with a White person featuring a food product
(Aim 3) Block 3: Black-Non Food
EXPERIMENTALExposure to ads with a Black person featuring a non-food product
(Aim 3) Block 4: White-Non Food
EXPERIMENTALExposure to ads with a White person featuring a non-food product
(Aim 3) Block 5: Food-Many Likes
EXPERIMENTALExposure to ads with many "likes" featuring a food product
(Aim 3) Block 6: Non Food-Many Likes
EXPERIMENTALExposure to ads with many "likes" featuring a non-food product
(Aim 3) Block 7: Food-Few Likes
EXPERIMENTALExposure to ads with few "likes" featuring a food product
(Aim 3) Block 8: Non Food-Few Likes
EXPERIMENTALExposure to ads with few "likes" featuring a non-food product
Interventions
(Aim 1) Facebook food ads that are racially congruent.
(Aim 1) Facebook food ads that are racially incongruent.
(Aim 2 and 3) Food ads that feature Black individuals.
(Aim 2 and 3) Food ads that feature White individuals.
(Aim 2 and 3) Food ads that have many "likes"
(Aim 2 and 3) Food ads that have few "likes"
(Aim 3) Ads featuring a Black person with a non-food product
(Aim 3) Ads featuring a White person with a non-food product
(Aim 3) Ads with Many "likes" featuring a non-food product
(Aim 3) Ads with Few "likes" featuring a non-food product
Eligibility Criteria
You may qualify if:
- be 13-17 years of age;
- identify as only non-Latino White or only Black/African American;
- report that they log into Facebook at least once daily; and
- read and speak English.
You may not qualify if:
- Any criteria not met as listed above will bar an adolescent from participating in the study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- NYU Langone Healthlead
- National Cancer Institute (NCI)collaborator
- New York Universitycollaborator
- National Institutes of Health (NIH)collaborator
Study Sites (1)
NYU Langone Health
New York, New York, 10016, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Marie A. Bragg, PhD
NYU Langone Health
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- PREVENTION
- Intervention Model
- FACTORIAL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 18, 2025
First Posted
November 25, 2025
Study Start
March 16, 2022
Primary Completion (Estimated)
June 1, 2026
Study Completion (Estimated)
June 1, 2026
Last Updated
November 25, 2025
Record last verified: 2025-11
Data Sharing
- IPD Sharing
- Will not share