The Full-Stack Researcher
Guides, Case Studies, & Actionable Advice for Mixed-Methods User Research
The Product/Market Fit Matrix [Data-Driven Iteration]
A 2x2 framework for iterating toward product/market fit. Rank value and pain statements by customer and by product to know what to work on next.
Redefining MVPs: A faster way to derisk new product ideas
Most MVP definitions are too vague to act on. A good MVP tests one thing: whether your core innovation solves a high-priority problem for one segment.
The Lean Startup is a terrible book for startup founders
According to The Lean Startup, the best way to figure out if your product idea is any good is to jump straight into building a prototype. This is terrible advice. Hereโs what founders should do insteadโฆ
The Discovery Sandwich: Data-Driven Product Discovery Research
The Discovery Sandwich is a three-step product- or customer-discovery research framework for identifying the set of possible options, prioritizing which to focus on, and gathering rich contextual insights to inform the right decision.
Forced Choice Questions: Use Cases, Survey Examples, Ranking
Forced choice removes the fence-sitting options so people commit to a real preference. What it is, when to use it, and which free tools can build one.
Deconstructing WeatherBill's $930M Startup Pivot
David Friedberg sold his 7-year-old startup WeatherBill for almost $1 billion in 2013. But WeatherBill almost didn't survive to see that day. If it wasnโt for one finely-tuned pivot in May 2010, which I deconstruct in this essay, the company was destined for certain failure.
Comparing the 7 Best Free Online Ranking Survey Tools in 2026
In this guide, I review the 7 most popular free survey tools for ranking peopleโs priorities and highlight their unique features/limitations to help you choose the right tool for your ranking project.
Shreyas Doshi's Guide to Validating & Prioritising Ideas
Shreyas Doshi named Customer Problem Stack Ranking at Stripe. It asks customers to rank your problem against every other problem they have. We ran it on ourselves and our own problem statement came 45th out of 45.
What Is Stack Ranking: Meaning, Examples, Templates, Advice
This guide covers everything you need to know about stack ranking โ from its meaning and examples of stack ranking used in real life, to some simple templates and actionable advice to consider.
Pairwise Comparison (Definition, Methods, Examples, Tools)
The Ultimate Guide. What is pairwise comparison? What are the best pairwise comparison methods? Best pairwise comparison tools? Examples of pairwise ranking surveys? โฆ
Web3 Wonโt Save Us: How product analytics contaminates decentralized movements
Thereโs a fatal flaw in the foundations that web3 is being built on. Unless we correct it soon, no amount of decentralization, DAOs or composability will be able to save it.
The Autonomy Gap: The Secret Ingredient for Community-Led Growth
The secret ingredient powering Community-Led Growth for the world's best tech startups.
[Keynote] An Intro to Customer Problem Stack Ranking: Product Management Festival Europe 2021
In this 30 minute keynote, OpinionX CEO Daniel Kyne explains how his team discovered the power of stack ranking, realized its potential to redefine user research, and is working to build the priority analytics category to help product-led startups build more user-centric products.
How to calculate Impact for RICE Scoring
RICE asks you to score each feature's Impact, and most PMs just guess. Here's how to fill that number with real customer voting data in eight steps.