Epidemiology & Biostatistics Certification
Tests epidemiology and biostatistics — measures of disease frequency and association, study designs, bias and causation, and statistical inference, screening tests and survival analysis — for public health and clinical research. Pass to earn Epidemiology & Biostatistics SOA-EPI.
- 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 Epidemiology & Biostatistics Certification?
The Epidemiology & Biostatistics Certification is a free 15-minute skill test from Science of Apps. It tests epidemiology and biostatistics — measures of disease frequency and association, study designs, bias and causation, and statistical inference, screening tests and survival analysis — for public health and clinical research. Score 70% or more on its 15 questions to earn a verifiable Epidemiology & Biostatistics certificate (SOA-EPI). Every question is based on published standards and research — including Principles of Epidemiology in Public Health Practice (CDC), e-Handbook of Statistical Methods (NIST) — and each answer is explained with its source.
Built for your job title
Epidemiologist, Public health analyst, Clinical researcher, Biostatistics student and Medical student — and anyone who wants quick, verifiable proof of Epidemiology and Biostatistics skills for a CV or LinkedIn.
- Epidemiologist
- Public health analyst
- Clinical researcher
- Biostatistics student
- Medical student
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
Measures of Frequency and Association
33%- Incidence and prevalence
- Risk and rate ratios
- Attributable risk
- 02
Study Designs, Bias and Causation
33%- Observational designs
- Trials
- Bias, confounding and causation
- 03
Biostatistics and Screening
33%- Hypothesis tests and confidence intervals
- Sensitivity, specificity and predictive values
- Survival and regression
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:
- Principles of Epidemiology in Public Health PracticeCDC24 questions
- e-Handbook of Statistical MethodsNIST6 questions
Try a sample question
Incidence differs from prevalence because incidence counts
- all existing cases at a point in time
- deaths only
- recovered cases
- new cases over a period
Show the answer
D. new cases over a period — Prevalence ≈ incidence × duration (in steady state). 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

Epidemiology & Biostatistics
Science of Apps
Show credential ↗Try another skill test
- 10 minSOA-HCA
Healthcare Administration Fundamentals Certification
Tests healthcare administration basics — how health systems are organised, patient flow, records, billing and coding basics, privacy, quality and safety, and the administrator's role.
Difficulty: BeginnerTake the 10-minute test → - 10 minSOA-MOA
Medical Office Administration Certification
Tests front-office skills in medical practices — scheduling, patient check-in, insurance verification, records, phone etiquette, confidentiality and handling sensitive situations.
Difficulty: BeginnerTake the 10-minute test → - 10 minSOA-HDPA
Healthcare Data Privacy Awareness Certification
Tests health data privacy awareness — HIPAA Privacy and Security Rules, PHI, minimum necessary, patient rights, safeguards, breaches, GDPR health data and AI tools in healthcare.
Difficulty: BeginnerTake the 10-minute test →
See every Healthcare, education & more certification and test →
Frequently asked questions
What is the Epidemiology & Biostatistics Certification?
The Epidemiology & Biostatistics Certification is a free 15-minute skill test from Science of Apps. It tests epidemiology and biostatistics — measures of disease frequency and association, study designs, bias and causation, and statistical inference, screening tests and survival analysis — for public health and clinical research. Score 70% or more on its 15 questions to earn a verifiable Epidemiology & Biostatistics certificate (SOA-EPI). Every question is based on published standards and research — including Principles of Epidemiology in Public Health Practice (CDC), e-Handbook of Statistical Methods (NIST) — and each answer is explained with its source.
How do I take the Epidemiology & Biostatistics 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 Epidemiology & Biostatistics certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Epidemiology & Biostatistics 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: Principles of Epidemiology in Public Health Practice (CDC); e-Handbook of Statistical Methods (NIST). 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 Epidemiology & Biostatistics Certification cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Measures of Frequency and Association (Incidence and prevalence, Risk and rate ratios and Attributable risk); Study Designs, Bias and Causation (Observational designs, Trials and Bias, confounding and causation); Biostatistics and Screening (Hypothesis tests and confidence intervals, Sensitivity, specificity and predictive values and Survival and regression). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Epidemiology & Biostatistics Certification?
Epidemiologist, Public health analyst, Clinical researcher, Biostatistics student and Medical student. It suits anyone who wants a quick, verifiable way to show Epidemiology and Biostatistics skills, from students and career switchers to experienced professionals.
Can I take the Epidemiology & Biostatistics 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 Epidemiology & Biostatistics 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 Epidemiology & Biostatistics 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 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
Healthcare, Education, Legal Operations & Sustainability
- Healthcare Administration Fundamentals Certification10 min · Beginner
- Medical Office Administration Certification10 min · Beginner
- Healthcare Data Privacy Awareness Certification10 min · Beginner
- Health Informatics Fundamentals Certification15 min · Intermediate
- Medical Terminology Fundamentals Certification10 min · Beginner
- Patient Communication and Service Certification10 min · Beginner
- Healthcare Operations and Scheduling Certification15 min · Intermediate
- Educational Technology Fundamentals Certification10 min · Beginner
- Instructional Design Certification15 min · Intermediate
- E-learning Course Design Certification15 min · Intermediate
- Assessment Design for Educators Certification15 min · Intermediate
- Learning Analytics Certification15 min · Intermediate
- Technical Writing Certification15 min · Intermediate
- Documentation and Knowledge Management Certification15 min · Intermediate
- Legal Operations Fundamentals Certification15 min · Intermediate
- Contract Review and Document Management Basics Certification10 min · Beginner
- Sustainability and ESG Fundamentals Certification10 min · Beginner
- Environmental Literacy Certification10 min · Beginner
- Anatomy & Physiology Certification15 min · Intermediate
- Pharmacology Certification20 min · Advanced
- Medical Coding Certification Practice (CPC-Aligned)15 min · Intermediate
- ICD-10-CM Coding Practice Test15 min · Intermediate
- Clinical Documentation Improvement (CDI) Certification15 min · Intermediate
- Health Information Management (HIM) Certification15 min · Intermediate
- Healthcare Data Analytics Certification15 min · Intermediate
- HIPAA Certification15 min · Intermediate
- Healthcare Cybersecurity Certification15 min · Intermediate
- Infection Control Certification15 min · Intermediate
- Patient Safety Certification15 min · Intermediate
- Medical Laboratory Science Practice Test20 min · Advanced
- Public Health Certification15 min · Intermediate
- Epidemiology & Biostatistics CertificationYou're here
- Clinical Research Certification15 min · Intermediate
- Good Clinical Practice (GCP) Certification15 min · Intermediate
- Medical Billing Certification15 min · Intermediate
- Healthcare Quality & Compliance Certification15 min · Intermediate
- Nursing Practice Questions (NCLEX-Style)20 min · Advanced
- Teaching Aptitude Test10 min · Beginner
- Classroom Management Certification10 min · Beginner
- Lesson Planning Certification10 min · Beginner
- Educational Psychology Certification15 min · Intermediate
- Special Education Certification Practice15 min · Intermediate
- Inclusive Teaching Certification10 min · Beginner
- Early Childhood Education (ECE) Certification15 min · Intermediate
- TEFL Certification Test15 min · Intermediate
- TESOL Certification Test15 min · Intermediate
- Learning Experience Design (LXD) Certification15 min · Intermediate
- LMS Administrator Certification15 min · Intermediate
- AI-Generated Content Evaluation for Educators10 min · Beginner
- Online Teaching Certification10 min · Beginner
- Research Methods Certification15 min · Intermediate
- APA, MLA & Harvard Referencing Certification10 min · Beginner
- Statistics for Research Certification15 min · Intermediate
- Contract Management Certification15 min · Intermediate
- Intellectual Property (IP) Law Certification15 min · Intermediate
- Legal Research & Case Analysis Certification15 min · Intermediate
- Corporate Governance Certification15 min · Intermediate
- ESG Reporting Certification20 min · Advanced
- Lab Safety Certification10 min · Beginner
- Carbon Accounting Certification15 min · Intermediate
- GHG Protocol Certification15 min · Intermediate
- Energy Management Certification15 min · Intermediate
- Renewable Energy Certification10 min · Beginner
- ESG Data Analyst 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
UX/UI, Design, Research & Creative
- UX Design Certification30 min · Intermediate
- UI Design Certification30 min · Intermediate
- Product Design 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
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 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.
- Original dataPlay Store statistics: we analysed 1,986 apps featured on Google Play India — here's what they have in commonPlay Store statistics from our analysis of 1,986 apps on Google Play India: ratings, installs, ads, in-app purchases, update frequency and app age.
- 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.
- 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.
- 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.
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




