12,400
Participants
Start Date
October 31, 2025
Primary Completion Date
November 30, 2025
Study Completion Date
November 30, 2025
Control (QR) Labels
Participants will view a fast-food restaurant menu with main entrée items. Each menu item will be displayed with an image of the item, name, price, and total calories. Control (QR) labels will be displayed beneath each item. Participants will view the menu and then the label in isolation and then be asked about a hypothetical intention to purchase a menu item with the label.
Low Sustainability Labels
Participants will view a fast-food restaurant menu with main entrée items. Each menu item will be displayed with an image of the item, name, price, and total calories. Low Sustainability labels will be displayed beneath select items. Participants will view the menu and then the label in isolation and then be asked about a hypothetical intention to purchase a menu item with the label.
Unsustainable Labels
Participants will view a fast-food restaurant menu with main entrée items. Each menu item will be displayed with an image of the item, name, price, and total calories. Unsustainable labels will be displayed beneath select items. Participants will view the menu and then the label in isolation and then be asked about a hypothetical intention to purchase a menu item with the label.
Environmental Harm Labels
Participants will view a fast-food restaurant menu with main entrée items. Each menu item will be displayed with an image of the item, name, price, and total calories. Environmental Harm labels will be displayed beneath select items. Participants will view the menu and then the label in isolation and then be asked about a hypothetical intention to purchase a menu item with the label.
High Environmental Harm Labels
Participants will view a fast-food restaurant menu with main entrée items. Each menu item will be displayed with an image of the item, name, price, and total calories. High Environmental Harm labels will be displayed beneath select items. Participants will view the menu and then the label in isolation and then be asked about a hypothetical intention to purchase a menu item with the label.
High Environmental Cost Labels
Participants will view a fast-food restaurant menu with main entrée items. Each menu item will be displayed with an image of the item, name, price, and total calories. High Environmental Cost labels will be displayed beneath select items. Participants will view the menu and then the label in isolation and then be asked about a hypothetical intention to purchase a menu item with the label.
Numeric Environmental Cost Labels
Participants will view a fast-food restaurant menu with main entrée items. Each menu item will be displayed with an image of the item, name, price, and total calories. Numeric environmental cost labels will be displayed beneath each item. Participants will view the menu and then the label in isolation and then be asked about a hypothetical intention to purchase a menu item with the label.
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Johns Hopkins Bloomberg School of Public Health
OTHER