Bias Kernel
Interactive demos that measure one persuasion lever at a time. Make a choice, then see exactly what was done to you — and what happened to everyone else.
The Roastery
Decoy EffectDoes adding a deliberately worse plan nudge people toward the target plan?
Try it →The Roastery Starter Kit
Artificial UrgencyDoes a ten-minute countdown make people grab an offer faster — and is the clock even real?
Try it →