How SimCity increased sales by 43.4%
A behavioural intervention in the checkout flow used social proof and clearer defaults, changing how players evaluated the offer.
Higher sales without changing the product or price.
the only newsletter I always open
The Online Influence Newsletter
Stop guessing what makes people act.
Every three weeks, get one proven behavioral insight, one real case and one practical action you can use immediately.
- See why people hesitate online
- Find the friction blocking action
- Test one practical change immediately
Built on proven behavioral science
0
proven psychological principles
0+
professionals applying our methodology
0
books sold worldwide
Trusted by leading teams
Meet the expert
Meet Bas Wouters
Bas Wouters makes behavioral science practical. As co-author of Online Influence, he helps professionals apply proven principles to digital communication, conversion and AI.
- Co-founder, Cialdini Institute
- International bestselling author
- Trained thousands of professionals worldwide
Proven in practice
See the psychology create results.
Real behavioral changes. Measurable business results.
How Bol.com increased reviews with 400%
By reframing the request moment and lowering the perceived effort, more customers left a review — with almost no extra cost.
A 4× increase in review volume in weeks.
How SEAT generated 2000% more leads
A small change in how a call-to-action was positioned in the customer's journey unlocked a large behavioural shift.
A dramatic lift in qualified lead volume.
Not only world leading companies trust us, we also partner with leading universities
The book
The book behind the method
Online Influence translates decades of behavioral science into practical digital applications: how to design pages, flows and AI conversations that respect people and still work.
- Over 100,000 copies sold worldwide
- Recommended by practitioners in Fortune 500 companies
- The foundation of the Online Influence method