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My Co-Founder Proved Me Wrong

My Co-Founder Proved Me Wrong

June 17, 2025

When your proposed change to the homepage CTA sparks hesitation, you can lean on synthetic research using AI personas to validate the idea quickly and without risk, even without the traffic for traditional A/B testing.

Can it Predict PMF?

Can it Predict PMF?

June 16, 2025

What if you could test product-market fit before building anything? This experiment shows AI personas can predict real user PMF responses with 88.5% accuracy.

The ‘Dutch Chris’ Problem

The ‘Dutch Chris’ Problem

June 16, 2025

Reconstructing personas solely from aggregate statistics can mash together incompatible traits—what we call the “Dutch Chris” problem—causing synthetic research to hallucinate unrealistic individuals and skew insights. You can combat this by using LLMs’ real-world knowledge of trait correlations as scaffolding and an iterative calibration process, raising the fidelity of virtual audiences toward the 70–80% accuracy needed for reliable, cost-effective studies.

Validating AI Persona Demographics: A Step-by-Step Guide (With Template)

Validating AI Persona Demographics: A Step-by-Step Guide (With Template)

June 10, 2025

This guide shows you how to quickly verify that your AI personas match intended demographic distributions for age, gender, income, location and occupation. Using a ready-to-use Google Colab template. By validating your audience traits up front, you can prevent misleading simulation results and ensure that rapid, cost-effective persona studies yield reliable, actionable insights.

AI Broke Entry-Level Hiring

AI Broke Entry-Level Hiring

June 09, 2025

AI has decimated traditional entry-level roles, leaving recent graduates stranded without a foothold in the job market. But by using advanced simulations to replicate real-world challenges, we can create new pathways for skill-building and hiring—restoring opportunity in a workforce increasingly shaped by automation.

The Leading Question Effect

The Leading Question Effect

June 09, 2025

Leading question can shift public opinion depending on how a question is framed. Using Rally’s synthetic personas, it's now possible to replicate this effect in a controlled experiment, revealing how survey design can manufacture consent or dissent with measurable precision.

The Intention-Action Gap

The Intention-Action Gap

June 04, 2025

AI market research often mirrors human biases, replicating stated intentions rather than actual behaviors. However, by carefully selecting and calibrating AI models, synthetic research can bridge the critical gap between what consumers say they'll do and their real-world actions.