Brainfluence The Housefly Effect and Other Nudges That Change Behavior | Brainfluence
Dec 16, 2025
Join Tim den Heijer, co-founder of Brain Creatives, and behavioral scientist Eva van der Broek as they explore the fascinating world of nudges that shape our behavior. They reveal how a simple housefly sticker can lead to significant changes in decision-making. Delve into the power of naming effects, the surprising appeal of imperfections in branding, and the unintended consequences of policies like the Cobra Effect. Discover how small adjustments can influence everything from marketing strategies to public policy—showcasing the subtle art of behavior change.
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Fly In The Urinal Solved A Big Mess
- Schiphol added a tiny fly image in urinals to reduce spillage and the cleaning problem.
- Tim den Heijer recounts this simple intervention solved a messy, costly issue with almost no effort.
Naming Boosts Persuasion Uptake
- Named effects gain attention and legitimacy, making practitioners more likely to adopt them.
- Tim den Heijer calls this the "effect effect" and used it to title the book and teach persuasion.
Test To Learn, Not Just To Prove
- Test creative ideas to learn, not just to placate stakeholders or 'shut up the client.'
- Tim den Heijer urges testing to discover blind spots, not merely to justify a preexisting intuition.