A product discovery framework · Free under CC BY-SA 4.0
The 3W Loop™
Where it hurts. Why it happens. Whether the fix works.
Every product decision has to answer three questions, and each is answered by a different instrument. Analytics tells you where the problem is. Interviews tell you why it happens. An experiment tells you whether your fix actually moves the number. Most teams answer one of the three and guess the other two, and the guessing is where roadmaps go to die.
The 3W Loop is a way of asking those questions in order, with a one-page artifact left behind at each step, so that the answer to the last question becomes the start of the next loop.
The three questions
What is broken, for whom, and how badly? A funnel step, a retention cliff, a two-number comparison between segments.
Skip it and you get research with no target: interviews about everything, insight about nothing.
What is actually causing it? Not "would you use…" but "tell me about the last time you…", asked of the people in that segment.
Skip it and you fix the obvious thing, the thing the industry report says, for people who were never struggling with it.
Does the fix move the number? A test card written before you run it: we believe that, to verify we will, and measure, we're right if.
Skip it and you ship correlations as features, and never learn what worked.
Four rules
- Ask in order. A Why without a Where is unfocused. A Whether without a Why is a lottery ticket.
- You may skip Why, only when the fix is cheap, reversible, and has one mechanism everyone can name. That's a decision, not an omission.
- You may never skip Whether. A test you can't fail is a demo.
- Close the loop. The learning card's number is the next Where.
Interview first, or straight to the test?
Three checks:
- Is the fix cheap and reversible?
- Is there one obvious mechanism?
- Would you run the test anyway, whatever the interviews said?
Either way, never skip the test.
Where it came from
Two cases, two routes through the same loop.
80% of new users churned on one onboarding screen. Market reports agreed and diagnosed the ID scanner. Story-based interviews with churned users found something else: people were opening the app on the subway and at work, and didn't want to pull out their ID in public. The problem was the moment, not the step.
A "do it later" option with a reminder at home cut that churn by a quarter.
−25%ONBOARDING CHURNUsers who tried one feature in their first week converted to paid at roughly nine times the rate of those who didn't. Here the team skipped interviews on purpose: the mechanism was obvious, the fix was a default toggle, the cost of being wrong was one A/B test. Straight to Whether.
Free-to-paid conversion rose.
+44.67%FREE-TO-PAID CONVERSIONSame three questions. The skill is knowing which one is actually open.
Download the kit
The graphic in three formats, editable SVGs, a print PDF, and the A4 canvas for running the loop on paper with your team.
PNG · SVG · PDF, light and dark, wide and square. Licence terms included inside.
Use it, share it, credit it.
The 3W Loop graphic, canvas and this description are released under a Creative Commons Attribution-ShareAlike 4.0 International licence (CC BY-SA 4.0). You can copy them, put them in your slides, teach from them, adapt them and use them commercially. Two conditions.
Credit, like this:
"The 3W Loop" by Aleksander Uznański, aleksanderuznanski.com/3w, licensed under CC BY-SA 4.0.
Share-alike: if you adapt it (a redraw, a translation, your own extended version), release your adaptation under the same CC BY-SA 4.0 licence, say that it was adapted, and don't suggest that I endorse your version. Using the graphic unchanged inside your own slides, article or course does not make those materials share-alike; only the adapted graphic or canvas itself has to stay open. Attribution isn't required to appear on the graphic itself as long as it's next to it: a caption, a footnote, a line in the speaker notes all work.
The 3W Loop
by Aleksander Uznański
is licensed under
CC BY-SA 4.0
What the licence doesn't cover
"The 3W Loop" and "Where, Why, Whether" are used as trademarks of Aleksander Uznański / ProductTrio (™; registration in progress). The licence covers the work, not the name: you're welcome to use the framework and say where it came from, but please don't name your own product, course or service "The 3W Loop" or imply that it's an official version. My workshop decks, run-of-show and case materials aren't part of the licence; those are available through ProductTrio.
Bring it to your team.
I run the 3W Loop as a 2.5-hour masterclass and as a half-day team workshop, where every participant takes one real number from their product through all three questions and leaves with a written test card.