About this trial
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)
Eligibility criteria
This trial accepts healthy volunteersQualifiers
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.
Disqualifiers
Any criteria not met as listed above will bar an adolescent from participating in the study.
Trial design
Factorial
Treatments tested in this trial
Racially Congruent Ads
Behavioral(Aim 1) Facebook food ads that are racially congruent.
Racially Incongruent Ads
Behavioral(Aim 1) Facebook food ads that are racially incongruent.
Black Ads
Behavioral(Aim 2 and 3) Food ads that feature Black individuals.
White Ads
Behavioral(Aim 2 and 3) Food ads that feature White individuals.
Many Likes
Behavioral(Aim 2 and 3) Food ads that have many "likes"
Few Likes
Behavioral(Aim 2 and 3) Food ads that have few "likes"
Black-Non Food
Behavioral(Aim 3) Ads featuring a Black person with a non-food product
White-Non Food
Behavioral(Aim 3) Ads featuring a White person with a non-food product
Non Food-Many Likes
Behavioral(Aim 3) Ads with Many "likes" featuring a non-food product
Non Food-Few Likes
Behavioral(Aim 3) Ads with Few "likes" featuring a non-food product
Treatment groups
14
Treatment groupsSee each treatment group below.
Trial outcomes
Primary outcomes
Number of Calories Purchased
Aim 1 Participants only.
Number of Calories Purchased
Aim 2 Participants only.
Caloric Intake
Aim 3 Participants only. Number of calories consumed during the study protocol.
Visual Attention to Ad Features - First Fixation
Aim 3 Participants only. Measured as time to first fixation to the advertisement.
Secondary outcomes
Attitude Toward Ad
Aim 1 Participants only. Attitude will be reported on a Likert scale of 1 to 100 (1 = likeable, 100 = unlikeable). The higher the score, the less likeable the ad is to the participant.
Time Spent Viewing Ad
Aim 1 Participants only.
Attitude Toward Ad
Aim 2 Participants only. Attitude will be reported on a Likert scale of 1 to 100 (1 = likeable, 100 = unlikeable). The higher the score, the less likeable the ad is to the participant.
Engagement with Ads
Aim 2 Participants only. Participants indicate in which ways, if any, they would engage with each ad by answering the following question: "How you would respond if you saw this ad on social media"? \[Select all that apply: "Like" \[heart icon and other emojis\], comment, tag a friend, direct message a friend, re-post, none of the above\]). The outcome is measured as the number of participants who indicate they would engage with ads.
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
NYU Langone Health
Lead sponsor
National Cancer Institute (NCI)
Collaborator
New York University
Collaborator
National Institutes of Health (NIH)
Collaborator