Blog & Resources

Insights on product validation, synthetic consumer research, and building products that sell.

Stuck is a measurement problem: 3 pre-build signals that actually work

Validation Methods

Stuck is a measurement problem: 3 pre-build signals that actually work

Nielsen BASES data across 200,000+ initiatives shows tested concepts generate 38% more revenue and are 4x more likely to succeed. Here's how to collect the three pre-build signals in a weekend.

Gregor The Builder - Apr 21, 2026 - 12 min read

Waitlist is not demand: 3 false signals founders mistake for intent

Validation Methods

Waitlist is not demand: 3 false signals founders mistake for intent

Waitlist signups, friend praise, and soft-commit language aren't demand. A 2006 meta-analysis of 47 studies found the intent-behavior gap sits at d+ = 0.36.

Gregor The Builder - Apr 21, 2026 - 11 min read

Market research methods in 2026: the decision matrix

Methodology

Market research methods in 2026: the decision matrix

Nine methods compared on cost, speed, sample size, and fit. From surveys to synthetic consumer panels. One decision matrix, built for 2026.

Gregor The Builder - Apr 20, 2026 - 15 min read

Synthetic consumer research vs synthetic surveys: where it actually replaces panels

Methodology

Synthetic consumer research vs synthetic surveys: where it actually replaces panels

HBR, MIT Sloan, Qualtrics, and quantilope just named the category in a 30-day window. It covers two different products. Here's the boundary.

Gregor The Builder - Apr 20, 2026 - 11 min read

Product validation procedure: 7-step checklist for founders

Guide

Product validation procedure: 7-step checklist for founders

The 7-step product validation procedure I run in a week. CB Insights: 43% of failed startups never found product-market fit. Here's how to prevent that.

Gregor The Builder - Apr 17, 2026 - 14 min read

Validate before you vibe code: product validation in the AI era

Opinion

Validate before you vibe code: product validation in the AI era

Vibe coding lets you ship an app in a day. 43% of failed startups never found a market. Here is why the fastest validator now wins, not the fastest builder.

Gregor The Builder - Apr 15, 2026 - 10 min read

A/B Test Product Concepts with the Same Consumer Panel

Product

A/B Test Product Concepts with the Same Consumer Panel

Panel reuse cuts between-test score variance by 80%. A/B test product names, features, pricing, and positioning with the exact same synthetic consumer panel.

Gregor The Builder - Apr 9, 2026 - 9 min read

We Validated AI Consumers Against a Real Study

Methodology

We Validated AI Consumers Against a Real Study

We replicated a peer-reviewed study with 150 real consumers using simulated panels. The buying intent curve matched across all 5 conditions. Here's the data.

Gregor The Builder - Apr 2, 2026 - 10 min read

How to Measure Purchase Intent: 5 Methods Compared

Guide

How to Measure Purchase Intent: 5 Methods Compared

Only 10% of stated purchase intentions lead to actual purchases. Five methods compared - from Likert scales to AI synthetic panels - with accuracy data for each.

Gregor The Builder - Mar 29, 2026 - 11 min read

How to Validate a Product Idea: 8 Methods That Actually Work

Guide

How to Validate a Product Idea: 8 Methods That Actually Work

43% of startups fail because they build something nobody wants. Here are 8 validation methods ranked by cost, speed, and reliability - from free to $20,000.

Gregor The Builder - Mar 28, 2026 - 14 min read

The Science Behind Synthetic Consumer Research

Methodology

The Science Behind Synthetic Consumer Research

How Faceted Likert Rating scores purchase intent across six dimensions, validated against 9,300 human responses.

Gregor The Builder - Mar 26, 2026 - 12 min read

How to Define Your Target Audience for Validation

Tutorial

How to Define Your Target Audience for Validation

A step-by-step guide to demographic and psychographic targeting for product validation - define segments that surface practical insights, not noise.

Gregor The Builder - Mar 18, 2026 - 10 min read

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