Leann L. Birch, Ph.D.

image of Leann L. Birch

Ph.D., University of Michigan, 1975

Distinguished Professor of Human Development

Contact Information

129 Noll Building
Pennsylvania State University
University Park, PA 16802

(814) 863-0053

llb15@psu.edu

Research

My research investigates factors that influence the developing controls of food intake from infancy through adolescence. This research focuses on both predictors and consequences of eating behavior, including a focus on the development of food preferences, and on problems of energy balance, particularly obesity, dieting, and disordered eating. Our ongoing research investigates individual, familial, and other contextual factors, which influence the developing controls of food intake. Ongoing projects include an investigation of relations among feeding, sleeping and growth in infants during the first year of life, and their subsequent influence on children’s eating, growth, and weight status. Other ongoing projects include research on the effects of altering energy density and portion size of meals and snacks on preschool children’s energy intake. A third project is a 10 year longitudinal study of the development of the controls of food intake among young girls, with a focus on the emergence of weight concerns, dieting, and problems of energy balance, including childhood obesity and disordered eating. This research is also designed to contribute to our understanding of how girls' weight status is linked to their developing sense of self during middle childhood. While dieting and eating disorders have been viewed as problems that emerge during adolescence, our research with 5 to 11 year olds reveals that these problems begin much earlier, prior to puberty, and that they are linked to parents' own eating, weight issues, and to parents' child feeding practices. Currently, we have longitudinal data on nearly 200 families with daughters from age 5 to 15. We are particularly interested in the family resemblances in eating and weight status, in the transmission of dieting and weight concerns from mothers to daughters, and in understanding the mediating processes involved in the inter-generational transmission of eating and weight status. These ongoing projects are funded by NIH, The Robert Wood Johnson Foundation, USDA, and the National Dairy Council.

Research Websites

Education

Research and Professional Experience

Honors

Selected Publications