Barbara J. Rolls, Ph.D.

photo of Barbara Rolls

Helen A. Guthrie Chair and Professor

Contact Information

226 Henderson Building
The Pennsylvania State University
University Park PA 16802


(fax) 814-863-8574


Ph.D., University of Cambridge, England, 1970

Research Interests

Psychological and environmental controls of food intake and food selection in normal weight and obese humans

Dietary strategies for weight management

Selected Publications

Obbagy, J.E., Condrasky, M., Roe, L.S., Sharp, J.L., Rolls, B.J. (2011). Chefs’ opinions about reducing the calorie content of menu items in restaurants. Obesity, 19:332-337.

Blatt, A.D., Roe, L.S., and Rolls, B.J. (2011). Increasing the protein content of meals and its effect on daily energy intake. Journal of the American Dietetic Association, 111:290-294.

Blatt, A.D., Roe, L.S., Rolls, B.J. (2011). Hidden vegetables: an effective strategy to reduce energy intake and increase vegetable intake in adults. American Journal of Clinical Nutrition, 93:756-763.

Spill, M.K., Birch, L.L., Roe, L.S., and Rolls, B.J. (2011). Serving large portions of vegetable soup at the start of a meal affected children’s energy and vegetable intake. Appetite, 57:213-219.

Sciamanna, C.N., Kiernan, M., Rolls, B.J., Boan, J., Stuckey, H., Kephart, D., Miller, C.K., Jensen, G., Hartman, T.J., Loken, E., Hwang, K.O., Williams, R.J., Clark, M.A., Schubart, J.R., Nezu, A.M., Lehman, E., and Dellasega, C. (2011). Practices associated with weight loss versus weight loss maintenance: results of a national survey. American Journal of Preventive Medicine; 41:159-166.

Spill, M.K., Birch, L.L., Roe, L.S., and Rolls, B.J. (2011). Hiding vegetables to reduce energy density: an effective strategy to increase children’s vegetable intake and reduce energy intake. American Journal of Clinical Nutrition, 94:735-741.

Vernarelli, J.A., Mitchell, D.M., Hartman, T.J., and Rolls, B.J. (2011). Dietary energy density is associated with body weight status and vegetable intake in U.S. children. Journal of Nutrition, 141:2204-2210.

Masheb, R.M., Grilo, C.M., and Rolls, B.J. (2011). A randomized controlled trial for obesity and binge eating disorder: Low-energy-density dietary counseling and cognitive-behavioral therapy. Behaviour Research and Therapy; 49:821-829.

Roe, L.S., Meengs, J.S., and Rolls, B.J. (2012). Salad and satiety: the effect of timing of salad consumption on meal energy intake. Appetite; 58:242-248.

Mathias, K.C., Rolls, B.J., Birch, L.L., Kral, T.V.E., Hanna, E.L., Davey, A., and Fisher, J.O. (2012). Serving larger portions of fruits and vegetables together at dinner promotes intake of both foods among young children. Journal of the Academy of Nutrition and Dietetics; 112:266-270.

Courses Taught

NUTR 520 Readings in Nutrition

NUTR 532 Childhood Obesity

HDFS 532 Childhood Obesity

NUTR 533 Adult Obesity

HDFS 533 Adult Obesity

NUTR 534 Readings in Ingestive Behavior

HDFS 534 Readings in Igestive Behavior

Strategic Themes

  • Domains of Health and Behavior