Research

Publications

Take a look at CHIBE’s publications, which are helping advance the science of using behavioral economics to improve health and leading to discoveries around how our minds work.

Changing portion size labels of main courses to encourage selection of smaller portions when dining out: A randomized controlled field experiment

Sophia V Hua, Christina A Roberto, Emily Yam, Eliza Leone, Laura A Gibson, Eric B Rimm

Using a human-centered design framework and behavioral economic interventions to increase fruit and vegetable purchases in an online grocery store: Study design and methodologies

Contemporary Clinical Trials

Sophia V Hua, Tamar Klaiman, Samantha Coratti, Jenna White, Aileen John, Mary E Putt, Erica Dixon, Hannah Posner, Kevin G Volpp

Comparison of Sales From Vending Machines With 4 Different Food and Beverage Messages: A Randomized Trial

JAMA Network Open

Laura A. Gibson, PhD; Alisa J. Stephens-Shields, PhD; Sophia V. Hua, PhD; Jennifer A. Orr, MSPH; Hannah G. Lawman, PhD; Sara N. Bleich, PhD; Kevin G. Volpp, MD, PhD; Amy Bleakley, PhD; Anne N. Thorndike, MD; Christina A. Roberto, PhD

Philadelphia Beverage Tax’s Impact on Beverage Ad Expenditures and Number of Ads Purchased

American Journal of Preventive Medicine

Sophia V. Hua, Matthew M. Lee, Rebecca Mozaffarian, Sara N. Bleich, Christina A. Roberto, Frances Fleming-Milici, Briana Stephenson, Erica L. Kenney

Impact of the Philadelphia Beverage Tax on Perceived Beverage Healthfulness, Tax Awareness, and Tax Opinions

Journal of Nutrition Education and Behavior

Caitlin M. Lowery, Christina A. Roberto, Sophia V. Hua, Sara N. Bleich, Nandita Mitra, Hannah G. Lawman, Lindsey S. Taillie, Shu Wen Ng, Laura A. Gibson

Advertising and stocking at small retailers: A sweetened beverage excise tax in Philadelphia

American Journal of Preventive Medicine

October 9, 2023

Matthew M. Lee, MS; Laura A. Gibson, PhD; Sophia V. Hua, PhD; Caitlin M. Lowery, MSPH; Maiki Paul, MPH; Christina A. Roberto, PhD; Hannah G. Lawman, PhD; Sara N. Bleich, PhD; Nandita Mitra, PhD; Erica L. Kenney, ScD

Advertising and Stocking at Small Retailers: A Sweetened Beverage Excise Tax in Philadelphia

American Journal of Preventive Medicine

September 26, 2023

Matthew M. Lee, Laura A. Gibson, Sophia V. Hua, Caitlin M. Lowery, Maiki Paul, Christina A. Roberto, Hannah G. Lawman, Sara N. Bleich, Nandita Mitra, Erica L. Kenney

Effects of 4 Interpretive Front-of-Package Labeling Systems on Hypothetical Beverage and Snack Selections

JAMA Network Open

September 13, 2023

Anna H. Grummon, Laura A. Gibson, Aviva A. Musicus, Alisa J. Stephens-Shields, Sophia V. Hua, Christina A. Roberto

Philadelphia Beverage Tax and Association With Prices, Purchasing, and Individual-Level Substitution in a National Pharmacy Chain

JAMA Network Open

Sophia V. Hua, Joshua Petimar, Nandita Mitra, Christina A. Roberto, Erica L. Kenney, Anne N. Thorndike, Eric B. Rimm, Kevin G. Volpp, Laura A. Gibson