Usability Metrics and Experiment Design Certification
Tests quantitative UX — task success, time on task, SUS and SEQ, benchmarking, sample sizes for quant studies, confidence intervals and designing UX experiments. Pass to earn Usability Metrics and Experiment Design SOA-UMED.
- Advanced difficulty.Assumes years in the role or deep specialist knowledge.
- 20 scenario questions
- 20 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 Usability Metrics and Experiment Design Certification?
The Usability Metrics and Experiment Design Certification is a free 20-minute skill test from Science of Apps. It tests quantitative UX — task success, time on task, SUS and SEQ, benchmarking, sample sizes for quant studies, confidence intervals and designing UX experiments. Score 70% or more on its 20 questions to earn a verifiable Usability Metrics and Experiment Design certificate (SOA-UMED). Every question is based on published standards and research — including Measuring Usability with the System Usability Scale (SUS) (MeasuringU (Jeff Sauro)), e-Handbook of Statistical Methods (NIST), ISO 9241-11: Usability — definitions and concepts (ISO) — and each answer is explained with its source.
Built for your job title
UX researcher, Quantitative UX researcher, Product analyst, Product designer and Research lead — and anyone who wants quick, verifiable proof of Usability Metrics and Experiment Design skills for a CV or LinkedIn.
- UX researcher
- Quantitative UX researcher
- Product analyst
- Product designer
- Research lead
Land the job, not just the certificate
Career guide · 8 min readUsability metrics and experiment design skills employers want in 2027: task success, time on task, SUS, SEQ, benchmarking, sample sizes and confidence intervals
Usability metrics skills employers want in 2027: task success, time on task, SUS and SEQ, benchmarking, sample sizes, confidence intervals and UX experiments.
Read the hiring playbook →What the test covers
Four skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Measuring usability
25%- Task success and time
- SUS and SEQ
- Benchmarking
- 02
Quant study design
25%- Sample sizes
- Confidence intervals
- Comparative experiments
- 03
Analytics and behavioural data
25%- Funnels and drop-off
- Click and scroll data
- Combining qual and quant
- 04
Reporting and decision-making
25%- Visualising UX metrics
- Statistical significance in UX
- Setting UX targets
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:
- Measuring Usability with the System Usability Scale (SUS)MeasuringU (Jeff Sauro)10 questions
- e-Handbook of Statistical MethodsNIST6 questions
- ISO 9241-11: Usability — definitions and conceptsISO4 questions
- Product analytics docsPostHog4 questions
- Measuring the User Experience on a Large Scale (HEART framework)Google Research4 questions
- Trustworthy Online Controlled ExperimentsKohavi, Tang & Xu3 questions
- Why You Only Need to Test with 5 UsersNielsen Norman Group2 questions
- When to Use Which User-Experience Research MethodsNielsen Norman Group2 questions
- Storytelling with DataCole Nussbaumer Knaflic2 questions
- Usability Testing 101Nielsen Norman Group1 question
- FunnelsPostHog1 question
- F-Shaped Pattern of Reading on the WebNielsen Norman Group1 question
Try a sample question
How many items are on the System Usability Scale?
- 20
- 1
- 10
- 5
Show the answer
C. 10 — SUS has ten statements. The real test has 20 questions like this.
How the test works
20 minutes, 20 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 20-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

Usability Metrics and Experiment Design
Science of Apps
Show credential ↗Try another skill test
- ProfessionalSOA-UXD
UX Design Certification
Certifies that you can take a product problem from user need to a tested, usable flow — research, information architecture, interaction design and usability evaluation.
Difficulty: IntermediateEarn Certified UX Designer → - ProfessionalSOA-UID
UI Design Certification
Certifies that you can design clear, consistent, accessible interfaces — visual hierarchy, typography, colour, layout, components and interaction states.
Difficulty: IntermediateEarn Certified UI Designer → - ProfessionalSOA-PD
Product Design Certification
Certifies end-to-end product design: framing problems against business goals, designing and shipping solutions with engineering, and measuring their impact.
Difficulty: IntermediateEarn Certified Product Designer →
See every UX/UI & design certification and test → New to the laws of UX? Start with Product Design Science →
Frequently asked questions
What is the Usability Metrics and Experiment Design Certification?
The Usability Metrics and Experiment Design Certification is a free 20-minute skill test from Science of Apps. It tests quantitative UX — task success, time on task, SUS and SEQ, benchmarking, sample sizes for quant studies, confidence intervals and designing UX experiments. Score 70% or more on its 20 questions to earn a verifiable Usability Metrics and Experiment Design certificate (SOA-UMED). Every question is based on published standards and research — including Measuring Usability with the System Usability Scale (SUS) (MeasuringU (Jeff Sauro)), e-Handbook of Statistical Methods (NIST), ISO 9241-11: Usability — definitions and concepts (ISO) — and each answer is explained with its source.
How do I take the Usability Metrics and Experiment Design Certification for free?
Read the four skill areas on this page, then take the 20-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 Usability Metrics and Experiment Design certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Usability Metrics and Experiment Design 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: Measuring Usability with the System Usability Scale (SUS) (MeasuringU (Jeff Sauro)); e-Handbook of Statistical Methods (NIST); ISO 9241-11: Usability — definitions and concepts (ISO); Product analytics docs (PostHog); Measuring the User Experience on a Large Scale (HEART framework) (Google Research); Trustworthy Online Controlled Experiments (Kohavi, Tang & Xu). 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 Usability Metrics and Experiment Design Certification cover?
Four skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Measuring usability (Task success and time, SUS and SEQ and Benchmarking); Quant study design (Sample sizes, Confidence intervals and Comparative experiments); Analytics and behavioural data (Funnels and drop-off, Click and scroll data and Combining qual and quant); Reporting and decision-making (Visualising UX metrics, Statistical significance in UX and Setting UX targets). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Usability Metrics and Experiment Design Certification?
UX researcher, Quantitative UX researcher, Product analyst, Product designer and Research lead. It suits anyone who wants a quick, verifiable way to show Usability Metrics and Experiment Design skills, from students and career switchers to experienced professionals.
Can I take the Usability Metrics and Experiment Design 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 Usability Metrics and Experiment Design Certification?
20 questions — 5 from each of 4 skill areas — with a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.
How hard is the Usability Metrics and Experiment Design Certification?
We rate it Advanced: assumes years in the role or deep specialist knowledge. It has 20 scenario questions — 5 from each of 4 skill areas — and a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.
How do I prepare for a UX researcher job?
Employers in 2027 want UX researchers and designers who can measure usability, not just observe it: task success, time on task, errors, SUS and SEQ scores, benchmarks over time, sensible sample sizes, confidence intervals and well-designed experiments. Numbers turn design debates into evidence and show leaders the impact of UX work. Learn the core metrics, run a small benchmark and verify with a free test. Our full career guide covers the hiring process, interview loop, pay and a prep plan: scienceofapps.com/blog/usability-metrics-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.
621 more certifications to collect
UX/UI, Design, Research & Creative
- UX Design Certification30 min · Intermediate
- UI Design Certification30 min · Intermediate
- Product Design Certification30 min · Intermediate
- UX Research Certification30 min · Intermediate
- UX Writing & Content Design Certification30 min · Intermediate
- Accessibility Certification (WCAG)30 min · Advanced
- Design Systems Certification30 min · Advanced
- Behavioral Design Certification30 min · Intermediate
- Figma Certification30 min · Intermediate
- Mobile App Design Certification30 min · Intermediate
- Interaction Design Certification30 min · Intermediate
- Usability Testing Certification30 min · Intermediate
- Information Architecture Certification30 min · Intermediate
- Service Design Certification30 min · Advanced
- UX Psychology Quiz10 min · Beginner
- UX Designer Interview Test15 min · Intermediate
- UX/UI Design Fundamentals Certification10 min · Beginner
- Design Thinking and Problem Framing Certification10 min · Beginner
- Design Critique and Visual Judgment Certification15 min · Intermediate
- UX Portfolio Assessment15 min · Intermediate
- UX Research Operations Certification20 min · Advanced
- Survey Design and Research Bias Certification15 min · Intermediate
- Usability Metrics and Experiment Design CertificationYou're here
- Responsive Web Design Certification10 min · Beginner
- UX Writing for AI Interfaces Certification15 min · Intermediate
- Conversational and Voice UX Certification15 min · Intermediate
- AI Interface Trust and Transparency Certification15 min · Intermediate
- Product Design QA Certification15 min · Intermediate
- Visual Design Fundamentals Certification10 min · Beginner
- Graphic Design Fundamentals Certification10 min · Beginner
- Typography and Layout Assessment15 min · Intermediate
- Brand Identity Design Certification15 min · Intermediate
- Design Handoff and Developer Collaboration Certification15 min · Intermediate
- Creative Brief and Art Direction Certification15 min · Intermediate
- Adobe Photoshop Certification Practice15 min · Intermediate
- Adobe Illustrator Certification Practice15 min · Intermediate
- Adobe Premiere Pro Certification Practice15 min · Intermediate
- Adobe After Effects Certification Practice15 min · Intermediate
- Blender Certification15 min · Intermediate
- 3D Modeling Certification10 min · Beginner
- Video Editing Certification10 min · Beginner
- Motion Graphics Certification15 min · Intermediate
Foundation
AI & Generative AI
- AI UX Design Certification30 min · Advanced
- Prompt Engineering Certification30 min · Intermediate
- AI Product Manager Certification30 min · Advanced
Software Engineering & Web Development
- HTML and CSS Fundamentals Certification10 min · Beginner
- JavaScript Fundamentals Certification10 min · Beginner
- TypeScript Fundamentals Certification15 min · Intermediate
Data Analytics & Business Intelligence
- Product Analytics Certification30 min · Advanced
- Data Literacy Certification10 min · Beginner
- Microsoft Excel Fundamentals Certification10 min · Beginner
Digital Marketing, SEO, AEO & Growth
- Conversion Rate Optimization (CRO) Certification30 min · Advanced
- App Store Optimization (ASO) Certification30 min · Intermediate
- Growth Marketing Certification30 min · Intermediate
Product, Project Management & Business Analysis
- Product Manager Certification30 min · Intermediate
- Design Leadership Certification30 min · Advanced
- Agile Product Owner Certification30 min · Intermediate
Cybersecurity, IT, Cloud & DevOps
- Cybersecurity Fundamentals Certification10 min · Beginner
- Security Awareness and Phishing Detection Certification10 min · Beginner
- Network Security Fundamentals Certification15 min · Intermediate
Sales, Customer Success & Support
- Sales Fundamentals Certification10 min · Beginner
- Consultative Selling Certification15 min · Intermediate
- B2B Sales Development Representative Certification10 min · Beginner
Human Resources & People Management
- Human Resources Fundamentals Certification10 min · Beginner
- Talent Acquisition and Recruitment Certification10 min · Beginner
- Technical Recruitment Certification15 min · Intermediate
Finance, Accounting, Operations & Entrepreneurship
- Financial Literacy for Professionals Certification10 min · Beginner
- Accounting Fundamentals Certification10 min · Beginner
- Bookkeeping Fundamentals Certification10 min · Beginner
Communication, Leadership & Transferable Skills
- Critical Thinking Test10 min · Beginner
- Attention to Detail Test10 min · Beginner
- Cognitive Bias Test10 min · Beginner
Languages
- English Level Test30 min · Beginner
- American Sign Language (ASL) Foundations Test25 min · Intermediate
- App & Software Localization Test25 min · Intermediate
Healthcare, Education, Legal Operations & Sustainability
- Healthcare Administration Fundamentals Certification10 min · Beginner
- Medical Office Administration Certification10 min · Beginner
- Healthcare Data Privacy Awareness Certification10 min · Beginner
Test Prep, Academics & Aptitude
- SAT Math Practice Test20 min · Advanced
- SAT Reading and Writing Practice Test20 min · Advanced
- ACT Practice Test (English, Math, Reading & Science)20 min · Advanced
Language Exam Prep
- IELTS Academic Practice Test with Band Score20 min · Advanced
- IELTS General Training Practice Test20 min · Advanced
- TOEFL iBT Practice Test20 min · Advanced
Office & Productivity Software
- Microsoft Word Skills Certification15 min · Intermediate
- Microsoft PowerPoint Skills Certification15 min · Intermediate
- Microsoft Outlook Skills Certification10 min · Beginner
Engineering, Architecture, Construction & Safety
- Mechanical Engineering Practice Test (FE-Style)20 min · Advanced
- Electrical Engineering Practice Test (FE-Style)20 min · Advanced
- Civil Engineering Practice Test (FE-Style)20 min · Advanced
Hospitality, Travel & Retail
- Hospitality Management Certification10 min · Beginner
- Food Safety Certification10 min · Beginner
- Hotel Revenue Management Certification15 min · Intermediate
Read before you test
- Career guidesUsability metrics and experiment design skills employers want in 2027: task success, time on task, SUS, SEQ, benchmarking, sample sizes and confidence intervalsUsability metrics skills employers want in 2027: task success, time on task, SUS and SEQ, benchmarking, sample sizes, confidence intervals and UX experiments.
- Career guidesUsability testing skills employers want in 2027: task design, moderating, remote and unmoderated tests, severity ratings and fixes teams shipUsability testing skills employers want in 2027: task design, moderation, remote and unmoderated tests, SUS, severity ratings and findings that ship.
- UI/UX designUX research methods: which one to use when — a practical guide by question and stageUX research methods explained by the question each answers — interviews, usability tests, surveys, diary studies, card sorting, A/B tests.
- 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.
- Career guidesResearch literacy for 2027 careers: reading studies and reports critically, study designs, sample size and bias, correlation vs causation, statistical significance, replication, and using research to make decisionsResearch literacy for 2027 careers: reading studies critically, study designs, samples and bias, correlation vs causation, significance and replication.
- Career guidesStatistics for data analyst interviews in 2027: the concepts employers test and how to explain them without jargonStatistics for data analyst interviews in 2027: the descriptive, inference and testing concepts employers check, real questions with plain answers.
Get the ideas, not the noise.
Sign up with Google and we’ll send you short UX psychology tips by email — why people tap, stall and leave, and what to do about it. Unsubscribe anytime. Prefer something to keep? Get the free Laws of UX guide as a PDF.
Founder, Science of Apps




