Curious how behavioral science can improve product design? Dive into our case studies from tech, finance, health, and more.
How We Doubled Headspace Course Starts (And Why Getting People to Meditate is Harder)
Case Studies
Irrational Labs partnered with Intuit Payroll to test whether the payroll enrollment moment could be redesigned to unlock latent demand for emergency saving. When prompted to “save when they get paid” at the moment of setting up Payroll, nearly 20% of people saved compared to 3% in the control.
Want to boost cryptocurrency adoption? Learn how our insights and ‘The Satoshi Experiment’ can help unlock behavioral science’s potential in product development.
How do you get consumers to choose payment methods that are better for their financial health? We partnered with a top Brazilian bank to solve this challenge through behavioral design—driving a 73% increase in autopay among account holders.
How do you help people repay loans faster? Common Cents Lab, a Duke University initiative co-led by Kristen Berman, Wendy Da La Rosa, and Mariel Beasley, worked with EarnUp to do this using behavioral insights.
Could telling people when they’re spending more than others help them spend less? Common Cents Lab partnered with Arizona Financial Credit Union to learn how social proof can impact financial behavior.
How do you get more users to convert if you have a very long funnel? Common Cents Lab partnered with Kiva to find out—leading to $190K+ in additional credit for LMI small business owners.
How do you leverage tax refunds as an opportunity for long-term financial security? Common Cents Lab partnered with San Francisco fintech startup Digit to do just that.
The Common Cents Lab created an intervention that helps consumers to lower their interest on their credit card. They call it ‘Kill Bill.’
18% more transfers. We leveraged behavioral design to improve member and product outcomes with Credit Karma Money Spend, Credit Karma’s checking account.
We worked with Uber to design, launch, and test a savings wallet for all Uber drivers.


















