6,221
Participants
Start Date
December 2, 2024
Primary Completion Date
December 6, 2024
Study Completion Date
December 6, 2024
Control (QR) Labels
Participants will view a fast-food restaurant menu including main, side, dessert, and drink items. Each menu item will be displayed with an image of the item, name, price, and total calories. For main items only, Control (QR) labels will be displayed beneath each item. Participants will be instructed to select up to 4 menu items for a hypothetical meal order.
Warning High Climate Impact Labels
Participants will view a fast-food restaurant menu including main, side, dessert, and drink items. Each menu item will be displayed with an image of the item, name, price, and total calories. For main items only, Warning High Climate Impact labels will be displayed beneath select items. Participants will be instructed to select up to 4 menu items for a hypothetical meal order.
Traffic Light Labels
Participants will view a fast-food restaurant menu including main, side, dessert, and drink items. Each menu item will be displayed with an image of the item, name, price, and total calories. For main items only, Traffic Light labels will be displayed beneath each item. Participants will be instructed to select up to 4 menu items for a hypothetical meal order.
Climate Grade Labels
Participants will view a fast-food restaurant menu including main, side, dessert, and drink items. Each menu item will be displayed with an image of the item, name, price, and total calories. For main items only, Climate Grade labels will be displayed beneath each item. Participants will be instructed to select up to 4 menu items for a hypothetical meal order.
Numeric Carbon Footprint Labels
Participants will view a fast-food restaurant menu including main, side, dessert, and drink items. Each menu item will be displayed with an image of the item, name, price, and total calories. For main items only, Numeric Carbon Footprint labels will be displayed beneath each item. Participants will be instructed to select up to 4 menu items for a hypothetical meal order.
Johns Hopkins Bloomberg School of Public Health, Baltimore
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
University of California, Davis
OTHER
Harvard School of Public Health (HSPH)
OTHER
University of Pennsylvania
OTHER
Johns Hopkins Bloomberg School of Public Health
OTHER