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UX Research

User research, usability testing, personas, journeys

132 bites

Test yourself: Top 30 UX Research interview questionsMultiple choice, with the correct answer and why it is correct on every question. Free, no sign-in.

Interview questions in UX Research

What is the primary purpose of UX research before starting development?
easy2 min read

What is the primary purpose of UX research before starting development?

Tests if you see pre-dev research as risk reduction. Strong answer: it validates real user needs before code, exposes unknown requirements while changes are cheap, and avoids building for imaginary users.

Explain qualitative vs quantitative user data with engineering examples
easy2 min read

Explain qualitative vs quantitative user data with engineering examples

Contrast the two modes and give one example per type.

How does UX research integrate into a two-week agile sprint?
intermediate2 min read

How does UX research integrate into a two-week agile sprint?

This tests if you see research as ongoing discovery, not a predev phase. A good answer covers backlog work across sprints, outcome-based prioritization, and engineer touchpoints in refinement. Red flag: saying research happens only before coding starts.

Generative versus evaluative research: when to use each
intermediate2 min read

Generative versus evaluative research: when to use each

Generative precedes design to find needs; evaluative follows a build to test it.

advanced2 min read

Describe a lightweight research method to validate a feature with no researcher

What it tests: bootstrapping validation without research headcount. Answer outline: unmoderated concept tests or concierge MVPs; behavioral vs attitudinal data; lightweight recruiting. Red flag: shipping A/B tests or using only internal opinions.

How would you instrument a feature to validate qualitative findings quantitatively?
advanced2 min read

How would you instrument a feature to validate qualitative findings quantitatively?

Mapping themes to events, picking guardrail and success metrics, and sampling.

easy1 min read

What is PII and how to keep it out of logs

Define PII, redact or mask at the logging boundary, and avoid logging sensitive fields at the source.

Implement verifiable informed consent before a remote usability test
easy2 min read

Implement verifiable informed consent before a remote usability test

This tests whether you treat GDPR consent as an architectural gate. Strong answers cover CMP-powered pre-session disclosure, gating the test on active consent, server-side recording for auditability, and first-party data alignment.

easy2 min read

Explain data minimization and how to apply it to a survey schema

Tests translating GDPR adequacy into schema design. Strong answers: define survey purpose first, map each column to a specific need, exclude PII unless essential, and plan periodic review.

intermediate1 min read

Anonymization vs pseudonymization and key handling

Anonymization is irreversible and exits GDPR scope; pseudonymization is reversible via a separated key; secure that key in a KMS with strict access.

How do you fulfill a GDPR erasure request across data stores?
intermediate3 min read

How do you fulfill a GDPR erasure request across data stores?

This tests cross-system deletion under GDPR's 30-day SLA. A strong answer maps PII lineage across S3, databases, and analytics; uses soft deletes for backups; and handles dashboards via reprocessing.

Design a centralized consent platform: core components and database schema
intermediate2 min read

Design a centralized consent platform: core components and database schema

Separate CMF from CMP; build an append-only ledger with versioned wording, per-activity granularity, and real-time revocation.

Apply differential privacy to user behavior queries and explain epsilon trade-offs
advanced2 min read

Apply differential privacy to user behavior queries and explain epsilon trade-offs

Mastery of formal privacy guarantees and noise-based query systems. Inject Laplace or Gaussian noise scaled to query sensitivity; track cumulative epsilon across queries; lower epsilon tightens privacy but increases variance and error bars.

Propose an automated de-identification pipeline for video interview recordings
advanced3 min read

Propose an automated de-identification pipeline for video interview recordings

Propose CV redaction, ASR/NLP for names, human QA, and consent tracking; note model bias and re-ID risk.

What trade-offs matter between moderated usability tests and surveys?
easy2 min read

What trade-offs matter between moderated usability tests and surveys?

Whether you align research method to product risk and insight type. Great answers contrast surveys for scalable opinions against moderated tests for behavioral observation, weighing fidelity and speed.

Essential UX research plan components for engineering scope
easy2 min read

Essential UX research plan components for engineering scope

Name parts—problem, goals, method, users, timeline, metrics, risks—and map them to scope, workload, or instrumentation.

How do you validate UX within hard technical constraints?
intermediate2 min read

How do you validate UX within hard technical constraints?

Tests evaluative research design for constrained, buildable prototypes rather than ideal mocks. Strong answers scope to feasible layers, use Wizard of Oz or stubs, and benchmark against current state. Red flag: testing fantasy UI that ignores API limits.

What technical instrumentation supplements a two-week diary study?
intermediate2 min read

What technical instrumentation supplements a two-week diary study?

Log anonymized feature frequency, session duration, and device switches; link via participant ID.

Propose two research methods to investigate checkout abandonment
intermediate2 min read

Propose two research methods to investigate checkout abandonment

Tests pairing behavioral and attitudinal research. Great answers match funnel analytics to find drop-offs with usability tests to uncover why users cannot complete fields or leave in anger.

What criteria and questions ensure right users for a specialized dev tool?
intermediate2 min read

What criteria and questions ensure right users for a specialized dev tool?

Designing a recruiting pipeline that qualifies niche experts and secures attendance. A strong answer covers role criteria, layered tech screens, and no-show backups. Red flag: relying on job titles without verifying real tool usage.

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