What is a focus interview and how do you conduct one?

A focus interview is a one-to-one qualitative interview structured around a specific experience, stimulus, or event, rather than a broad topic area. The participant has had a defined prior experience (watching a film, reading a policy document, using a product, living through an organisational change), and the interview focuses on exploring their subjective response to that specific experience in depth.

The term was coined by sociologist Robert Merton in the 1940s, and the method shaped much of what we now consider standard practice in qualitative interviewing. Understanding what a focus interview is, and how it differs from a semi-structured or in-depth interview, matters for anyone designing qualitative research that needs to connect participant responses to a defined stimulus or experience.

The origins of the focus interview

Robert Merton and Patricia Kendall developed the focused interview during World War Two to understand how audiences responded to propaganda films and radio broadcasts. The core insight was methodological: if you want to understand how someone responds to a specific stimulus, you need to interview them about that specific stimulus, not about communication or persuasion in general.

Merton described four essential criteria for a focused interview in his 1956 manual:

1. Range: The interview should explore the full range of responses, not just the most obvious or expected ones
2. Specificity: Responses should be grounded in specific aspects of the stimulus, not generalised reactions
3. Depth: The interview should explore the subjective meaning and emotional significance of the experience, not just surface description
4. Personal context: The participant's broader context (background, values, prior experience) should be captured to interpret their responses to the stimulus

These four criteria remain as useful today as they were in the 1940s. Most qualitative interview research benefits from applying them, even when not using the "focus interview" label explicitly.

How does a focus interview differ from other interview types?

The key distinguishing feature is the prior common experience that all participants share. Because every participant has experienced the same stimulus, their responses can be compared directly. This is what gives the focused interview its analytical power: you are comparing responses to the same thing, not just responses about the same topic.

When should you use a focus interview?

Evaluating a specific product, concept, or stimulus

The most direct application: you want to understand how people respond to a specific product design, a prototype, a communication campaign, a policy document, or a training programme. By ensuring that every participant has encountered the same stimulus before the interview, you create comparable conditions for exploring subjective responses.

This is why focus interviews are widely used in product development, market research, and communication research. A usability study in which participants use a prototype and are then interviewed about their experience is a form of focused interviewing.

Post-event or post-experience research

A focus interview can be structured around any defined prior experience: attending a conference, going through a performance review process, experiencing a service failure, completing an onboarding process. The interview then explores the subjective experience of that specific event, rather than the topic area in general.

This is useful for organisational research (understanding how employees experienced a change programme), customer discovery research (understanding the experience of a specific customer journey), and service quality research (understanding the experience of a specific service interaction).

Research where comparability across participants matters

When your research design requires comparing participants' responses, the focus interview provides the cleanest basis for comparison: everyone experienced the same thing, so differences in response are real differences in interpretation, not differences in experience.

Designing a focus interview study

Step 1: Define and standardise the stimulus

The stimulus is the prior experience that the interview focuses on. For product research, this might be a prototype, a wireframe, or a live product session. For communication research, it might be a document, video, or message. For organisational research, it might be a defined event (a town hall, a restructuring announcement, a training programme).

The stimulus needs to be standardised: every participant should have experienced the same version of it. If participants experience different versions of a product or receive different information, their responses are no longer comparable.

For observational or in-field research, the stimulus is a naturally occurring experience (a service encounter, a life event) rather than a designed one. In these cases, you recruit participants who have had a defined type of experience rather than administering a stimulus yourself.

Step 2: Analyse the stimulus before designing the guide

Merton's original method required the researcher to analyse the stimulus before interviewing participants. The purpose is to identify the elements of the stimulus most likely to produce significant responses, and to anticipate what aspects participants might focus on or miss.

This pre-analysis informs the interview guide: it tells you which aspects of the stimulus to probe on if participants do not raise them spontaneously, and it helps you distinguish between responses that reflect the stimulus and responses that reflect the participant's pre-existing views.

Step 3: Write the guide around the stimulus structure

The interview guide for a focus interview is structured around the elements of the stimulus, not around general topic areas. A focus interview about a product prototype might be structured as: first impressions, then specific feature sections (navigation, content, key actions), then overall assessment and comparison to current solution.

The guide should begin open: "Tell me about your experience using [prototype]." It then moves to more directed probes about specific aspects. This preserves the participant's spontaneous response before the researcher's analytical frame shapes what they attend to.

Core guide elements:

• Opening: broad invitation to describe the experience in their own words
• Stimulus elements: structured probes covering each significant aspect of the stimulus
• Meaning and significance: questions exploring why the experience mattered or did not, what it reminded them of, what was surprising
• Personal context: brief questions about prior experience relevant to interpreting the response
• Counterfactual: "What would have needed to be different for this to be [better/worse/more useful]?"

For more on guide construction generally, see how to write a perfect interview guide.

Step 4: Recruit participants who have had the defined experience

For designed-stimulus focus interviews, participants are typically recruited before encountering the stimulus (you invite them, administer the stimulus, then interview). For naturally-occurring experience focus interviews, you recruit people who have had the defined experience within a relevant timeframe.

Recency matters: the further from the experience the interview occurs, the more the participant's account will be reconstructed from memory rather than recalled from experience. For high-fidelity response data, interview within 24-72 hours of the experience where possible.

Conducting the focus interview

The opening

Begin by confirming the participant's experience of the stimulus. "Before we start, I just want to check: you did [have the experience / watch the video / use the prototype] earlier today?" Then explain the purpose and format: you want to understand their experience in detail; there are no right or wrong answers; you are interested in their honest response, including anything that did not work or was confusing.

The broad opening question

Ask the participant to describe the experience in their own words before you probe on any specific aspect. "Tell me about your experience using [stimulus]. What was it like?" This preserves their spontaneous response and often surfaces the aspects of the stimulus they found most salient, which may or may not align with what you expected.

Do not interrupt this opening narrative except to ask brief probes ("and then what happened?"). The goal is to understand what the participant attends to before the interview guide shapes their attention.

Moving through the stimulus elements

Once the participant has given their initial response, work through the guide systematically. For each element of the stimulus:

1. Check whether the participant mentioned it spontaneously
2. If they did, probe for depth and specificity
3. If they did not, introduce it: "You didn't mention [element]. Did you notice it? What was your experience of it?"

The distinction between spontaneous and prompted responses is analytically important. What a participant raises unprompted is what they found most salient. What they respond to when prompted may be significant, but it carries different evidential weight.

Probing for depth and personal context

Apply Merton's criteria actively:

• Range: Have they covered the full range of their response, including aspects they found neutral or unremarkable?
• Specificity: Are they responding to specific aspects of this stimulus, or talking in generalities? "Can you point to a specific moment when that happened?"
• Depth: Do you understand the emotional and cognitive meaning of the experience, not just the surface description? "How did that make you feel?" "What did you make of that?"
• Personal context: What in their background shapes how they are interpreting this? "Have you used something similar before? How does it compare?"

For practical guidance on probing techniques, see good interview questions to ask.

The closing

End with open questions that give the participant space to raise anything not covered: "Is there anything about your experience that we have not talked about?" and "If you could change one thing about [stimulus], what would it be?" The latter question often surfaces the most directly actionable response data.

Analysing focus interview data

Because all participants have experienced the same stimulus, the analysis can be structured around the stimulus elements rather than just around emergent themes. For each significant aspect of the stimulus, you can assess: who noticed it, who did not, what responses it generated, and what personal context explains the variation.

This stimulus-anchored analysis sits alongside the standard thematic analysis of what participants said. The combination gives you both the thematic patterns (what concerns or values shaped responses across the corpus) and the stimulus-level patterns (which specific aspects of the stimulus generated the strongest responses).

For systematic analysis of multiple focus interview transcripts, Skimle's AI-assisted coding identifies themes across the corpus while maintaining full traceability from every theme back to specific excerpts. The metadata tagging allows you to track which responses were spontaneous versus prompted, which participant segments showed different response patterns, and how responses varied by personal context variables.

For the analysis workflow see how to synthesise user research findings and thematic analysis: a complete guide.

Focus interviews vs focus groups: a common confusion

The terms "focus interview" and "focus group" are sometimes confused. They are distinct methods.

A focus interview is a one-to-one conversation focused on a specific experience or stimulus. It produces individual response data uninfluenced by group dynamics.

A focus group is a group discussion, typically with 6-10 participants, moderated to generate data through interaction. The group dynamic is part of the method: responses emerge from and are shaped by what others in the group say.

Focus groups are useful for understanding social discourse, group norms, and how opinions are defended and modified in social contexts. Focus interviews are better for understanding individual subjective experience in depth, particularly when social desirability effects might suppress honest individual responses in a group setting.

The focused interview is the intellectual ancestor of the focus group: Merton adapted the individual focused interview into a group format, and the focus group emerged from that adaptation. Both share the criterion that participants should have had a common prior experience as the basis for the discussion.

Frequently asked questions

How long should a focus interview be?

For a stimulus of moderate complexity (a product prototype, a 10-minute video, a policy document), 45-60 minutes is typical. For a simple stimulus, 30 minutes may suffice. For a highly complex experience (a multi-week programme, a major organisational change), 60-90 minutes may be needed to cover the range, depth, and specificity Merton's criteria require.

How many focus interviews do you need?

For research on a homogeneous participant group responding to a single stimulus, 10-15 interviews typically reaches saturation for the main response patterns. For a diverse participant group or a complex stimulus with multiple segments, 20-30 or more may be needed. The principle is the same as in any qualitative research: continue until additional interviews are not producing new themes. See how many interviews are enough.

Can focus interviews be conducted remotely?

Yes. Video interviews with screen sharing are fully adequate for most focus interview applications. For product research, remote prototype testing tools can administer the stimulus; the interview follows. The loss of in-person non-verbal cues is less significant in focus interviews than in interviews exploring emotionally sensitive topics, since the conversation is anchored in a shared stimulus rather than personal history.

Is a focus interview the same as a usability study?

There is substantial overlap. A usability study in which participants interact with a prototype and are then asked about their experience is essentially a focus interview. The difference is typically in the degree of structure: usability studies often use standardised tasks and quantitative measures (time on task, error rate) alongside the qualitative interview component, whereas focus interviews are more purely qualitative. The focused interview methodology provides the theoretical foundation for the interview portion of any usability study.

What is the difference between a focused interview and a semi-structured interview?

The primary difference is the organising principle. A semi-structured interview is organised around topic areas or research questions. A focused interview is organised around a specific prior experience or stimulus that all participants have shared. The guide structure and probing techniques are similar; the basis for comparison across participants is what differs.

Ready to analyse your focus interview transcripts systematically? Try Skimle for free and upload your transcripts for AI-assisted thematic analysis with full traceability from every finding back to specific participant quotes.

Related reading: Good interview questions to ask: how to get the most out of any interview | How to write a perfect interview guide | Thematic analysis: a complete guide

About the authors

Henri Schildt is a Professor of Strategy at Aalto University School of Business and co-founder of Skimle. He has published over a dozen peer-reviewed articles using qualitative methods, including work in Academy of Management Journal, Organisation Science, and Strategic Management Journal. His research focuses on organisational strategy, innovation, and qualitative methodology. Google Scholar profile

Olli Salo is a former Partner at McKinsey & Company where he spent 18 years helping clients understand the markets and themselves, develop winning strategies and improve their operating models. He has done over 1000 client interviews and published over 10 articles on McKinsey.com and beyond. LinkedIn profile

Sources

• The Focused Interview: A Manual of Problems and Procedures — Merton, Fiske & Kendall (1956, 2nd ed. 1990), Free Press
• Focus Groups as Qualitative Research — Morgan (1997), SAGE
• Qualitative Research Interviewing — Rubin & Rubin (2011), SAGE
• The Art of Focused Conversation — Stanfield (2000), New Society Publishers