Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
2132 participants
INTERVENTIONAL
2023-11-28
2023-12-04
Brief Summary
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Participants: \~2,000 US adults ages 18-25, at least 25% currently enrolled full-time in college, recruited from CloudResearch Prime Panels.
Procedures: Participants will be randomly assigned to view food products with or without environmental nudges (eco-labels, peer comparison message, and swaps). They will be asked to select items that they most wish to purchase and will then be asked a series of questions about the products and nudges. Questions will also include standard socio-demographic variables.
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Detailed Description
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On the study platform (Qualtrics), participants will be randomly assigned to 1 of 2 arms with equal probability. Participants will complete a shopping task via an online 9-minute survey. They will view products displayed as if they were offered from a grocery store. Products will be frozen meals, such as burritos and pizza, snack items such as dried fruit and chips, and protein items, such as ground beef and chicken breasts. They will then be instructed to select 1 item they most wish to purchase from each category.
Participants in the experimental arm will shop and receive environmental nudges in the form of labels, feedback, peer comparisons, and suggested product swaps. In the control arm, participants will conduct online shopping tasks without any environmental nudges. After selecting products, participants will answer questions about the products and labels, as well as standard socio-demographic questions.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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Control
Participants will conduct online shopping tasks without any environmental nudges. This includes no labels, peer comparison messages, or suggested product swaps.
No interventions assigned to this group
Environmental
Participants in the experimental arm will shop and receive environmental nudges in the form of labels, peer comparisons messages, and suggested product swaps.
Environmental nudges
Participants will view protein, frozen meal, and snack products with eco-labels applied. For each category, they will then be instructed to select 1 item from that category they wish most to purchase. Categories will be shown in random order. If a participant selects a product with a red eco-label, they will be shown a peer comparison message and will be given an opportunity to switch to a product with a yellow or green eco-label.
Interventions
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Environmental nudges
Participants will view protein, frozen meal, and snack products with eco-labels applied. For each category, they will then be instructed to select 1 item from that category they wish most to purchase. Categories will be shown in random order. If a participant selects a product with a red eco-label, they will be shown a peer comparison message and will be given an opportunity to switch to a product with a yellow or green eco-label.
Eligibility Criteria
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Inclusion Criteria
* Currently resides in the United States
Exclusion Criteria
18 Years
25 Years
ALL
Yes
Sponsors
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Wellcome Trust
OTHER
University of North Carolina, Chapel Hill
OTHER
Responsible Party
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Principal Investigators
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Lindsey Smith Taillie, PhD
Role: PRINCIPAL_INVESTIGATOR
University of North Carolina, Chapel Hill
Anna H Grummon, PhD
Role: PRINCIPAL_INVESTIGATOR
Stanford University
Locations
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UNC Carolina Population Center
Chapel Hill, North Carolina, United States
Countries
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Provided Documents
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Document Type: Statistical Analysis Plan
Other Identifiers
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23-1785
Identifier Type: -
Identifier Source: org_study_id
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