The GRoceries Aimed at Increasing Nutrition Study

Marketing nudges encouraging whole grain purchasing, including displaying whole grains (e.g., whole wheat bread, brown rice) at the top of the study's online grocery store, featuring whole grain banner displays, and offering product swaps to highlight whole grain alternatives

Marketing nudges encouraging whole grain purchasing, including displaying whole grains (e.g., whole wheat bread, brown rice) at the top of the study's online grocery store, featuring whole grain banner displays, and offering product swaps to highlight whole grain alternatives, plus personalized financial incentives with individual incentive amounts optimized weekly based on prior whole grain purchasing behavior and engagement