Online grocery store platform: NUSMart
This study takes advantage of the NUSMart, online experimental grocery store, developed by the research team. NUSMart was designed for research purposes to mimic actual web-based grocery stores in Singapore in both look and feel. To populate the store with local products and prices, we collaborated with one of the largest grocery retailers in Singapore, called FairPrice. FairPrice provided access to their Application Programming Interfaces (APIs) for real time stock availability, pricing, and food delivery by their drivers for confirmed orders. Our store contained 2500 of their most popular food and beverage products, classified into 23 categories. All product listings included pictures of the items, product brand, description, prices, and Nutritional Facts Panel (NFP) information available via click-through. We have successfully used this store in seven publications (see 