Beware of mini-packs and mini-foods, especially if you're a dieter. Chronic dieters tend to consume more calories when foods and packages are smaller, according to a new study in the Journal of Consumer Research. Authors Maura L. Scott, Stephen M. Nowlis, Naomi Mandel, and Andrea C. Morales (all Arizona State University) examined consumer behavior regarding "mini-packs," 100-calorie food packages that are marketed to help people control calorie intake.