Growth Experimentation Certification
Tests running a growth experimentation programme — finding opportunities, hypotheses, prioritisation, test design, learning velocity and sharing results. Pass to earn Growth Experimentation SOA-GEXP.
- Intermediate difficulty.Assumes hands-on experience in the role.
- 15 scenario questions
- 15 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Growth Experimentation Certification?
The Growth Experimentation Certification is a free 15-minute skill test from Science of Apps. It tests running a growth experimentation programme — finding opportunities, hypotheses, prioritisation, test design, learning velocity and sharing results. Score 70% or more on its 15 questions to earn a verifiable Growth Experimentation certificate (SOA-GEXP). Every question is based on published standards and research — including Trustworthy Online Controlled Experiments (Kohavi, Tang & Xu), Growth loops are the new funnels (Reforge), Funnels (PostHog) — and each answer is explained with its source.
Built for your job title
Growth marketer, Growth product manager, CRO specialist, Head of growth and Product analyst — and anyone who wants quick, verifiable proof of Growth Experimentation skills for a CV or LinkedIn.
- Growth marketer
- Growth product manager
- CRO specialist
- Head of growth
- Product analyst
Land the job, not just the certificate
Career guide · 8 min readGrowth experimentation skills employers want in 2027: hypotheses, test design, statistics, guardrails, velocity and building an experimentation culture
Growth experimentation skills employers want in 2027: hypotheses, prioritisation, test design, statistics, guardrails, experiment velocity and culture.
Read the hiring playbook →What the test covers
Three skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Planning experiments
33%- Finding opportunities
- Hypotheses
- Prioritisation
- 02
Running the programme
33%- Test design
- Learning velocity
- Documenting and sharing
- 03
Growth models and loops
33%- Acquisition loops
- Activation and retention levers
- Monetisation experiments
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- Trustworthy Online Controlled ExperimentsKohavi, Tang & Xu11 questions
- Growth loops are the new funnelsReforge5 questions
- FunnelsPostHog2 questions
- RICE: Simple prioritization for product managersIntercom2 questions
- RetentionPostHog2 questions
- How Not To Run an A/B TestEvan Miller2 questions
- The North Star PlaybookAmplitude2 questions
- When to Use Which User-Experience Research MethodsNielsen Norman Group1 question
- YC Startup LibraryY Combinator1 question
- Product-led growthOpenView Partners1 question
- How to find your activation metricPostHog1 question
Try a sample question
What should every growth experiment have before launch?
- A party
- A hypothesis, primary metric and success criteria
- A press release
- A new logo
Show the answer
B. A hypothesis, primary metric and success criteria — Clear criteria make results interpretable. The real test has 15 questions like this.
How the test works
15 minutes, 15 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 15-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

Growth Experimentation
Science of Apps
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Frequently asked questions
What is the Growth Experimentation Certification?
The Growth Experimentation Certification is a free 15-minute skill test from Science of Apps. It tests running a growth experimentation programme — finding opportunities, hypotheses, prioritisation, test design, learning velocity and sharing results. Score 70% or more on its 15 questions to earn a verifiable Growth Experimentation certificate (SOA-GEXP). Every question is based on published standards and research — including Trustworthy Online Controlled Experiments (Kohavi, Tang & Xu), Growth loops are the new funnels (Reforge), Funnels (PostHog) — and each answer is explained with its source.
How do I take the Growth Experimentation Certification for free?
Read the three skill areas on this page, then take the 15-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Growth Experimentation certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Growth Experimentation Certification questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: Trustworthy Online Controlled Experiments (Kohavi, Tang & Xu); Growth loops are the new funnels (Reforge); Funnels (PostHog); RICE: Simple prioritization for product managers (Intercom); Retention (PostHog); How Not To Run an A/B Test (Evan Miller). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Growth Experimentation Certification cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Planning experiments (Finding opportunities, Hypotheses and Prioritisation); Running the programme (Test design, Learning velocity and Documenting and sharing); Growth models and loops (Acquisition loops, Activation and retention levers and Monetisation experiments). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Growth Experimentation Certification?
Growth marketer, Growth product manager, CRO specialist, Head of growth and Product analyst. It suits anyone who wants a quick, verifiable way to show Growth Experimentation skills, from students and career switchers to experienced professionals.
Can I take the Growth Experimentation Certification from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Growth Experimentation Certification?
15 questions — 5 from each of 3 skill areas — with a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How hard is the Growth Experimentation Certification?
We rate it Intermediate: assumes hands-on experience in the role. It has 15 scenario questions — 5 from each of 3 skill areas — and a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How do I prepare for a Growth marketer job?
Employers in 2027 want growth marketers, product managers and analysts who can run experimentation programmes that compound: evidence-based hypotheses, prioritised backlogs, properly powered tests with guardrail metrics, honest analysis, high test velocity, and a shared library of learnings. Most ideas don't win, so the system matters more than any single test. Run a quarter of experiments with documented results and verify your skills with a free test. Our full career guide covers the hiring process, interview loop, pay and a prep plan: scienceofapps.com/blog/growth-experimentation-career-guide/
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
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Read before you test
- Career guidesGrowth experimentation skills employers want in 2027: hypotheses, test design, statistics, guardrails, velocity and building an experimentation cultureGrowth experimentation skills employers want in 2027: hypotheses, prioritisation, test design, statistics, guardrails, experiment velocity and culture.
- Career guidesHow to get a conversion rate optimization job in 2027: research, hypotheses, experiments and the evidence hiring managers wantHow to get a CRO specialist job in 2027: research methods, hypotheses, A/B test design, analysis, the portfolio that proves it, pay and a plan.
- Career guidesA/B testing interview questions and jobs in 2027: experiment design, the pitfalls interviewers probe and who hires for itA/B testing interview questions and jobs in 2027: hypotheses, sample size, SRM, peeking, guardrails and CUPED, with answers, the roles that hire and a plan.
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