Run Growth Experiments
That Produce Real Signal, Not Noise for Marketplace
A rigorous framework for designing, running, and interpreting growth experiments — so your team ships the changes that compound, not the ones that sound good in theory.
For marketplace companies: Solving the chicken-and-egg problem while maintaining quality on both sides.
Start ExperimentingIndustry
Marketplace
Two-sided platforms balancing supply and demand to create liquidity
Core Challenge
Solving the chicken-and-egg problem while maintaining quality on both sides
Target Outcome
liquid two-sided marketplace with strong retention on both sides
What makes growth experiments hard for marketplace companies
Two-sided platforms balancing supply and demand to create liquidity — compounded by solving the chicken-and-egg problem while maintaining quality on both sides.
Running A/B tests without statistical validity — declaring winners from noise
Testing tactics before validating the hypothesis and expected mechanism of action
No experiment backlog system, so the team tests whatever someone thought of last week
Shipping winning tests that don't move the needle because they weren't connected to a growth lever
Growth Experiments built for marketplace products
We build the hypothesis framework that forces teams to define mechanism before testing output
We set statistical validity requirements so tests produce signal, not stories
We design the experiment backlog by ICE score — impact, confidence, ease — ranked and ready
We connect every experiment to a growth lever so wins compound instead of standing alone
What marketplace companies achieve with strong growth experiments
Higher Test Win Rate
Hypothesis-first testing produces more winning experiments than intuition-first testing.
Faster Learning Cycles
A prioritized backlog keeps the team running the highest-leverage experiments continuously.
Compounding Results
Experiments connected to growth levers stack — each win makes the next test more valuable.
Cross-Team Alignment
A shared experiment framework aligns product, marketing, and growth on what to test and why.
The growth experiments process for marketplace founders
Write the hypothesis
Define: 'If we change X for users doing Y, we expect Z because of mechanism M.'
Score and prioritize
ICE-score the backlog — impact on the metric, confidence in the hypothesis, ease of implementation.
Set validity conditions
Define sample size, confidence interval, and minimum detectable effect before running the test.
Document and share learnings
Publish every result — winners and losers — so the whole team builds from the same knowledge base.
Growth Experiments specifically for Marketplace
marketplace companies face unique constraints: Two-sided platforms balancing supply and demand to create liquidity. The goal is liquid two-sided marketplace with strong retention on both sides — and the right growth experiments approach gets you there faster.
Without a Growth Experiments system
- ×Running A/B tests without statistical validity — declaring winners from noise
- ×Testing tactics before validating the hypothesis and expected mechanism of action
- ×No experiment backlog system, so the team tests whatever someone thought of last week
With Greta's Growth Experiments approach
- ✓We build the hypothesis framework that forces teams to define mechanism before testing output
- ✓We set statistical validity requirements so tests produce signal, not stories
- ✓We design the experiment backlog by ICE score — impact, confidence, ease — ranked and ready
Growth Experiments reading list
Apply growth experiments
to your marketplace product.
Turn growth frameworks into live systems — Greta builds the products and infrastructure that make strategy real.