prior.runFrom the lab.
Research notes, methodology deep-dives, and the thinking behind our engine. Written by the people doing the work, not the marketing team.
Recent dispatches.
Featured
Why Synthetic Users Give Better Design Feedback Than Real Ones
The counterintuitive case for simulated audience reactions.
LLM bias
How We Built a Skeptical Audience (On Purpose)
LLMs are polite by default. That's a disaster for design feedback.
synthetic users
Our Audience Gets Smarter With Every Analysis
What happens when synthetic users develop pattern recognition.
synthetic users
Why Context Changes Everything in Design Feedback
Two identical people. The same pricing page. Opposite reactions. Both right.
SaaS
SaaS Pricing Page Patterns: What Actually Works
What happens when skeptical, trusting, and anxious users see the same pricing page.
experimentation
Kill Your Losing Experiments Before You Build Them
Most A/B tests fail. What if you could predict which ones before writing a line of code?
A/B testing
No Traffic? No Problem. How to Validate Designs Before Launch
You don't need a million users to know if your design works. You need the right question.
fintech
The Fintech Design Playbook: Conversion Without Compliance Violations
The line between persuasion and deception is thinner than your legal team thinks.
compliance
The Hidden Compliance Risks in Your Design
What your design team isn't catching before launch.
design review
Why Design Reviews Fail
And what to do instead of another meeting.
design validation
Design Validation Without User Research
A practical guide to making better design decisions faster.
design comparison
How to Compare Designs When Your Team Can't Agree
A framework for moving from preferences to decisions.
AI design review
What AI Design Tools Get Wrong
And how to use them without getting burned.