When marketing researchers perform field experiments, it is crucial that the experimental location and the control location are comparable. At present, it is difficult to assess the comparability of field locations because there is no way to distinguish differences between locations that are due...

Background: Obesity has been associated with the expanding portion sizes of away-from-home foods. Although portion size norms and calorie density have increased outside the home, they could also have a parallel or referred impact on serving sizes in the home. Cookbook recipes might provide a...

Do consumers eat more when they exercise more? If so, the implications could ripple through the multi-billion dollar fitness and food industries and have implications for both consumers and health care providers. Three studies – two field experiments and one observational field study –...