Data from the handscanner (field) study on the effect of Just-In-Time (JIT) nudges on healthy food choice

The data is collected via an app for self-scanning in physical supermarkets in the Netherlands. Data from the app was stored in a database. With a Query data was taken from the database and manually aggregated into the dataset deposited here. RQs: Can digital JIT-delivered visibility nudges stimulate healthier food choices? And second, does providing an additional descriptive or evaluative nutritional labeling nudge result in a stronger effect on healthier food choice than the visibility nudge alone?