Research Areas


University of Pennsylvania & Chan Zuckerberg Initiative

StepUp Program

Leadership: Katherine Milkman, Phd  & Angela Duckworth, Phd, MA, MSc

StepUp is a free habit building, science-based workout program developed by the Behavior Change for Good Initiative. The program is being launched in partnership with 24 Hour Fitness.

The program runs for 28 days and involves rewards, customized texts, and other content designed to identify what works best for creating lasting gym habits. StepUp was created by a team of 47 world-renowned scientists spanning economics, psychology, computer science, medicine, neuroscience and sociology, united by the common goals of furthering the science of enduring behavior change and improving people’s daily health decisions.

If you’re a member of 24 Hour Fitness, you can join here: If you have friends or family who are 24 Hour Fitness members, let them know they can join the StepUp Program today!

The Behavior Change for Good Initiative (BCFG) unites leaders in the social sciences, medicine, computer science, and neuroscience at the University of Pennsylvania to solve the problem of enduring behavior change. BCFG connects this world-class scientific team with partner organizations to run large-scale field experiments focused on improving daily decisions in education, health, and financial savings.