Survey Design and Research Bias Certification
Tests survey design — writing unbiased questions, scales, sampling, response bias, question order, analysis and when surveys are the wrong method. Pass to earn Survey Design and Research Bias SOA-SDRB.
- 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 Survey Design and Research Bias Certification?
The Survey Design and Research Bias Certification is a free 15-minute skill test from Science of Apps. It tests survey design — writing unbiased questions, scales, sampling, response bias, question order, analysis and when surveys are the wrong method. Score 70% or more on its 15 questions to earn a verifiable Survey Design and Research Bias certificate (SOA-SDRB). Every question is based on published standards and research — including Writing survey questions (Pew Research Center), Customer service skills (Zendesk), When to Use Which User-Experience Research Methods (Nielsen Norman Group) — and each answer is explained with its source.
Built for your job title
UX researcher, Market researcher, Product manager, Customer insights analyst and Student researcher — and anyone who wants quick, verifiable proof of Survey Design and Research Bias skills for a CV or LinkedIn.
- UX researcher
- Market researcher
- Product manager
- Customer insights analyst
- Student researcher
Land the job, not just the certificate
Career guide · 8 min readSurvey design and research bias skills employers want in 2027: writing neutral questions, sampling, response scales, bias, analysis and reporting honestly
Survey design skills employers want in 2027: neutral questions, response scales, sampling, avoiding bias, analysis and reporting honest, decision-ready results.
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
Writing surveys
33%- Unbiased questions
- Scales and options
- Order and length
- 02
Bias and analysis
33%- Sampling and response bias
- Interpreting results
- Choosing the right method
- 03
Survey operations and metrics
33%- NPS, CSAT and CES
- Response rates
- Open-ended analysis
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:
- Writing survey questionsPew Research Center18 questions
- Customer service skillsZendesk5 questions
- When to Use Which User-Experience Research MethodsNielsen Norman Group3 questions
- Service Manual: User researchGOV.UK1 question
- Leading QuestionsNielsen Norman Group1 question
- Pilot Testing: Getting It Right (Before) the First TimeNielsen Norman Group1 question
- Product analytics docsPostHog1 question
Try a sample question
What's a leading question?
- One that's very short
- One with a scale
- One asked first
- One that suggests the desired answer
Show the answer
D. One that suggests the desired answer — Leading wording biases responses. 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

Survey Design and Research Bias
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 Survey Design and Research Bias Certification?
The Survey Design and Research Bias Certification is a free 15-minute skill test from Science of Apps. It tests survey design — writing unbiased questions, scales, sampling, response bias, question order, analysis and when surveys are the wrong method. Score 70% or more on its 15 questions to earn a verifiable Survey Design and Research Bias certificate (SOA-SDRB). Every question is based on published standards and research — including Writing survey questions (Pew Research Center), Customer service skills (Zendesk), When to Use Which User-Experience Research Methods (Nielsen Norman Group) — and each answer is explained with its source.
How do I take the Survey Design and Research Bias 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 Survey Design and Research Bias certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Survey Design and Research Bias 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: Writing survey questions (Pew Research Center); Customer service skills (Zendesk); When to Use Which User-Experience Research Methods (Nielsen Norman Group); Service Manual: User research (GOV.UK); Leading Questions (Nielsen Norman Group); Pilot Testing: Getting It Right (Before) the First Time (Nielsen Norman Group). 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 Survey Design and Research Bias Certification cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Writing surveys (Unbiased questions, Scales and options and Order and length); Bias and analysis (Sampling and response bias, Interpreting results and Choosing the right method); Survey operations and metrics (NPS, CSAT and CES, Response rates and Open-ended analysis). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Survey Design and Research Bias Certification?
UX researcher, Market researcher, Product manager, Customer insights analyst and Student researcher. It suits anyone who wants a quick, verifiable way to show Survey Design and Research Bias skills, from students and career switchers to experienced professionals.
Can I take the Survey Design and Research Bias 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 Survey Design and Research Bias 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 Survey Design and Research Bias 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 UX researcher job?
Employers in 2027 want researchers, marketers and product teams who can design surveys that produce trustworthy data: clear objectives, neutral and single-topic questions, balanced response scales, sensible sampling, pilot testing, and analysis that reports uncertainty honestly. Most bad decisions from surveys come from biased questions or unrepresentative samples. Learn the core rules, run a small survey well and verify with a free test. Our full career guide covers the hiring process, interview loop, pay and a prep plan: scienceofapps.com/blog/survey-design-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 CertificationYou're here
- Usability Metrics and Experiment Design Certification20 min · Advanced
- 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 guidesSurvey design and research bias skills employers want in 2027: writing neutral questions, sampling, response scales, bias, analysis and reporting honestlySurvey design skills employers want in 2027: neutral questions, response scales, sampling, avoiding bias, analysis and reporting honest, decision-ready results.
- 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 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 guidesProduct strategy skills employers want in 2027: customer and market insight, positioning, strategic choices and bets, outcome roadmaps and OKRsProduct strategy skills employers want in 2027: customer and market insight, positioning, differentiation, strategic bets, outcome roadmaps and OKRs.
- Career guidesStatistical reasoning at work in 2027: base rates, bias and misleading numbers — how employers test judgement with dataStatistical reasoning skills for analysts and managers in 2027: base rates, sampling bias, Simpson's paradox, risk, how employers test it and a plan.
- Career guidesHow to get a UX researcher job in 2027: choosing methods, interviews, usability tests, synthesis, mixed methods and research that changes decisionsHow to get a UX researcher job in 2027: choosing methods, interviews, usability testing, synthesis, mixed methods, AI in research, pay and a plan.
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




