Semi-Structured Interviews

User researchers prefer semi-structured interviews because they balance consistency with flexibility. Unlike structured interviews, which follow a strict script, semi-structured formats allow researchers to guide the conversation while adapting to each participant’s responses. Non-structured interviews might flow too freely and allow users to drift into tangents. Meanwhile, a semi-structured approach uncovers deeper insights into user behaviors, motivations, and pain points.

Semi-structured interviews use open-ended questions to prompt rich storytelling. Researchers can then probe further according to what users reveal. This flexibility leads to discoveries that rigid approaches often miss. For example, when exploring how users interact with a health app, a semi-structured format might uncover emotional drivers behind tracking habits—not just usability issues. Researchers value this approach because it can surface context-specific, qualitative data that shapes user-centered designs.

Explore qualitative research to understand the rich variety of techniques that can yield rich insights from users.

Use a semi-structured interview during the discovery and early design phases. This is when you need to explore user needs, behaviors, and motivations in depth—especially when you don’t yet know what to ask precisely. Semi-structured interviews help you uncover insights that inform personas, user journeys, and product direction.

They work best when you want to balance consistency (asking all participants similar questions) with adaptability (probing unexpected responses). For example, if you’re designing a budgeting app, a semi-structured interview can reveal how users emotionally relate to money, not just how they track expenses.

Take a deep dive into Personas with our course Personas and User Research: Design Products and Services People Need and Want.

Begin by defining your research goal. What do you want to learn—user behaviors, motivations, pain points? Next, create a guide with open-ended questions grouped by topic. These serve as anchors to ensure consistency while allowing flexibility.

Design your questions to encourage storytelling. You ideally want to set the scene by asking participants to think back to the last time they did the things you are interested in finding out about. For example, instead of asking “Do you use a budgeting app?” ask, “Can you walk me through how you manage your finances day-to-day?” Include follow-up prompts like “Why?” or “What happened next?” to dig deeper. Also, the setting for the interview should support this wherever possible.

Choose participants who reflect your target users and schedule 30–60-minute sessions. Test your guide with a dry run so you can see where to refine questions and flow. Record sessions only with the consent of the users.

Get a greater grasp of the Pros and Cons of Conducting User Interviews in our article about it.

To write effective open-ended questions for a semi-structured interview, focus on prompts that encourage users to share stories, not just answers. Start with phrases such as “Can you describe…”, “Tell me about…”, or “What was it like when…”. These invite reflection and reveal context.

Don’t use “yes/no” or leading questions—so, instead of “Do you like this feature?”, ask: “How do you use this feature in your daily routine?” Effective questions dig into motivations, emotions, and experiences. Group them around themes—like habits, challenges, or expectations—and use follow-ups like “Why was that important to you?” or “What happened next?” to go deeper.

Write neutrally, don’t use jargon, and test questions in a pilot interview to refine tone and clarity.

Discover important insights about how to write effective questions for user interviews.

To encourage users to talk openly and honestly in a UX interview, create a safe, respectful environment from the start. Start with some small talk to build rapport and then explain the purpose of the interview and assure users there are no right or wrong answers. Make clear that their feedback will shape better design—not judge them.

Use a calm, neutral tone and active listening techniques (nods, affirmations, and reflective questions) to show genuine interest. Don’t interrupt or react with surprise, especially to negative comments—even quiet sighs or “wow” expressions from you can skew results. Let silence work; users often reveal deeper insights after a pause.

Frame questions to invite stories, not opinions, and be patient. Trust grows when users feel heard, respected, and free from judgment.

Explore valuable aspects of how to approach interview situations in this video with Ann Blandford: Professor of Human-Computer Interaction at University College London.

Stay curious when users give unexpected or off-topic answers during a semi-structured interview. These detours often expose hidden needs or assumptions that scripted questions may miss. Listen fully and assess whether this new direction offers user experience insight.

If so, explore it with follow-up questions like “Can you tell me more about that?” If not, gently steer the conversation back. Use a soft transition like, “That’s really interesting. I’d love to come back to it later, but can we return to how you use the app in the morning?”

Keep your tone respectful and flexible. The best interviews feel like conversations, not interrogations, and some of the richest insights come from the unexpected.

Gain important insights into how rapport helps shape effective interviews, in this video with Ann Blandford, Professor of Human-Computer Interaction at UCL.

If you’ve recorded the interviews (with participants’ consent), begin by transcribing the conversations. This can be done automatically through various specialist services or AI. Then, read the transcripts to identify patterns, themes, and recurring user behaviors or emotions. Use affinity mapping or thematic coding to group similar insights—for example, frustrations with onboarding, motivations behind daily use, or unmet needs.

Tag quotes with labels like “goal,” “pain point,” or “workaround” to organize your findings. Prioritize insights based on frequency, emotional intensity, or relevance to your design goals. Look for contradictions or surprises—they often lead to the most valuable innovations.

Summarize the key themes in user journey maps, personas, or problem statements to inform your next design steps.

Learn How to Do a Thematic Analysis of User Interviews in our article.

Use triangulation; cross-check insights with data from other sources. Combine interview themes with observations, surveys, analytics, or usability tests. You've gained stronger evidence if multiple methods point to the same user need or pain point.

Look for consistency across participants. If several users express similar concerns or behaviors, the insight likely reflects a broader trend. For example, if many users say they avoid a feature because it confuses them, that’s a clear signal to act.

Share findings with teammates or stakeholders for feedback, as they may spot gaps or offer new perspectives. Validation helps transform raw insights into reliable design decisions.

Try triangulation to understand its tremendous potential in design. In this video, with William Hudson, User Experience Strategist and Founder of Syntagm Ltd.

To adapt semi-structured interviews for different user types or cultures, tailor your language, tone, and questions with sensitivity. Local researchers are particularly valuable here, as they could either help with the interviews or review some of the questions and topics to be discussed. It’s particularly important where the primary researcher isn’t a native speaker of the participant’s language.

It’s important to use culturally appropriate phrasing; what feels conversational in one culture may seem intrusive or overly casual in another. Avoid jargon or assumptions about technology use, routines, or values.

When interviewing across cultures, start with extra rapport-building and explain the purpose clearly. Adjust examples to match users’ experiences—what works for a tech-savvy urban user may confuse someone in a rural setting. Some cultures value storytelling, while others prefer directness, so observe cues and match the user’s communication style.

Consider translation needs and local norms around privacy or hierarchy, too. Culturally adapted interviews yield more honest, relevant insights.

Climb aboard cultural considerations for design endeavors, in this video with Alan Dix: Author of the bestselling book “Human-Computer Interaction” and Director of the Computational Foundry at Swansea University.

Interview 5 to 10 users to gather reliable insights in semi-structured interviews, as this range often uncovers 80%–90% of core themes and pain points. The exact number depends on your user base’s diversity—more variation (for example, in age, roles, or cultures) may require more interviews to surface patterns across segments.

Focus on depth over volume. Semi-structured interviews produce rich, qualitative data, so fewer well-conducted sessions can reveal more than dozens of shallow ones. After 5 interviews, review your notes: Are you noticing recurring themes? If not, continue until patterns emerge.

Balance insight quality with research scope. Your goal isn’t statistical certainty, but enough consistency to design confidently and exceed the reasonable expectations you’ve learnt more about.

Harvest some additional helpful points in our article How to Moderate User Interviews.

Satter, S. (n.d.). Semi Structured Interview: What, When, and How to Use in UX. Trymata Blog. Retrieved July 17, 2025, from https://trymata.com/blog/semi-structured-interview/

This practical guide clearly outlines semi‑structured interviews as a balanced method combining prepared questions with conversational flexibility—a format especially useful in UX research and usability testing. It walks through creating interview guides, obtaining consent, asking follow‑up queries, thematic coding, and triangulating findings. The post highlights benefits—such as richer user insights, contextual depth, and adaptability—and drawbacks like potential bias and analysis time. UX designers will find the step‑by‑step examples (e.g., “tell me why this felt confusing?”) and clear procedures particularly useful for structuring effective interviews and translating qualitative feedback into actionable design insights.

Dovetail Editorial Team. (2023, February 5). Semi‑Structured Interview: Explanation, Examples, & How‑To Guides. Dovetail Blog. Retrieved July 17, 2025, from https://dovetail.com/research/semi-structured-interview/

This article defines semi‑structured interviews as a flexible yet organized research method—mixing planned open‑ended questions and on‑the‑fly follow-ups. It covers question design, recommended 30–60‑minute length, use of verbal and nonverbal cues, and analysis techniques like thematic sorting. The post clearly contrasts this approach with structured and unstructured interviews, emphasizing its strengths in depth, rapport-building, and contextual insight valuable for iterative UX work. With concrete guidance and real-use examples, it supports UX designers in implementing robust interview plans that uncover user motivations and attitudes throughout product discovery, testing, and ongoing research workflows.

Galletta, A., & Cross, W. E. (2013). Mastering the Semi-Structured Interview and Beyond: From Research Design to Analysis and Publication. NYU Press.

This book is a comprehensive guide to conducting semi-structured interviews, particularly valuable for researchers in social sciences and design fields like UX. Galletta and Cross integrate theoretical grounding with practical tools for designing, executing, and analyzing interviews. The authors emphasize reflexivity and adaptability, key aspects of effective qualitative research, and provide a longitudinal case study to illustrate application. This work is influential for teaching interview methodology, supporting novice and experienced researchers. Its structured yet flexible approach helps UX practitioners balance exploration and consistency when gathering user insights, making it a staple in both academic and professional qualitative research toolkits.