Guide · 6 min read

Thematic Analysis for Interview Research

Thematic analysis turns hours of interviews into a small set of well-supported themes. The craft lies in coding carefully, building themes that tell a story and showing your evidence.

What thematic analysis is

Thematic analysis is a method for identifying, organizing and interpreting patterns of meaning (themes) across a dataset, usually interview transcripts. It is flexible, widely used in business and management research and suits questions about experience, perception and process. Braun and Clarke's reflexive approach is the most cited version, and it treats analysis as an active, interpretive process rather than a mechanical sorting of data.

Be clear about the difference between a topic and a theme. A topic is a subject people mentioned (onboarding). A theme is an idea about the data with a point to make (new hires judge a bank by how quickly managers include them in real client work, not by the formal induction).

Six phases of analysis

PhaseWhat you doOutput
1. FamiliarizeTranscribe, read and reread; note first impressionsNotes and a feel for the data
2. Generate initial codesLabel meaningful segments across the entire datasetA list of codes with extracts
3. Search for themesGroup codes into candidate themesDraft theme map
4. Review themesCheck themes against extracts and the full datasetRefined themes
5. Define and name themesWrite a definition and scope for each themeTheme definitions
6. Write upWeave themes, quotations and analysis into an argumentFindings chapter

The phases are not strictly linear. You will move back and forth, especially between phases 3 and 4.

Coding: a worked example

A code is a short label for a segment of data that is relevant to your question. Code for meaning, not just for topics, and keep codes close to the participants' language at first.

From extract to code to theme (hypothetical)

Extract (participant 7, relationship manager)Initial codeCandidate theme
"In my first week I sat through eight hours of compliance slides. I only felt like part of the team when my manager took me to a client meeting in week three."Formal induction felt generic; belonging came from client contactBelonging through real work
"My supervisor checked in every Friday, even if it was just ten minutes. That made it easy to ask silly questions."Regular short check-ins lower the barrier to asking questionsAccessible supervision
"Nobody told me who owned the client files. I spent a month unsure who to ask."Unclear ownership of tasks and informationRole ambiguity

Keep a codebook as you go: each code, a short definition, an example extract and when to use it. Code the whole dataset, not just the interesting parts, and revise codes when you find that two overlap or one is too broad. Software such as NVivo, ATLAS.ti or MAXQDA helps with organization, but it does not do the analysis for you; a spreadsheet works for small projects.

Building and testing themes

Cluster related codes into candidate themes, then test each one.

  • Does the theme have a central idea? If you cannot state it in a sentence, it is probably a topic.
  • Is there enough data? Supported by several participants and extracts, not one voice.
  • Are themes distinct? Overlapping themes should be merged or sharpened.
  • Do themes answer the question? Drop interesting material that does not.
  • Does the whole set tell a coherent story? Check how themes relate to each other.
ThemeCentral ideaCodes it containsParticipants
Belonging through real workNew hires feel part of the team when given real client responsibility earlyClient contact; early responsibility; formal induction felt generic11 of 16
Accessible supervisionShort, regular contact lowers the cost of asking for helpWeekly check-ins; approachable manager; fear of asking13 of 16
Unclear roles and ownershipAmbiguity about who owns what delays integrationFile ownership; unclear escalation; mixed messages9 of 16

Counting participants per theme is optional in qualitative work and is not a measure of importance, but it can show how widespread a pattern is. Do not turn it into statistics.

Writing up the findings

Each theme gets a section with a definition, an analytic paragraph that makes the point and two or three quotations that illustrate it, each followed by interpretation. Quotations show; analysis explains. A findings chapter that is a string of quotations without commentary reads as raw data.

Analytic structure of a theme (hypothetical)

Theme 1: Belonging through real work. Participants described belonging not as a product of induction but of early inclusion in client work. One manager said, "In my first week I sat through eight hours of compliance slides. I only felt like part of the team when my manager took me to a client meeting in week three" (P7). Eleven of the sixteen participants made a similar contrast between formal induction and meaningful tasks. This suggests that onboarding effectiveness depends less on the volume of information delivered than on the speed with which new hires are given a legitimate role, which extends research that treats induction as a single event.

Anonymize quotations with participant codes, remove identifying details and tidy only trivial filler words (and say so). Link the themes back to the literature and the framework in the discussion chapter, as described in our data analysis chapter guide.

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A codebook entry

A codebook keeps coding consistent over weeks of work and lets another person apply your codes. Each entry needs a definition, rules for use and an example.

FieldEntry
Code nameEarly client contact
DefinitionParticipant describes being included in real client interactions during the first four weeks of employment
Include whenThe participant links the contact to feeling trusted, useful or part of the team
Exclude whenThe contact is only observation with no role, or happens after month two (code as Later client contact)
Example"My manager took me to a client meeting in week three and let me present the numbers."
Related codesBelonging; Formal induction felt generic

Update the codebook as you learn. Record the date and the reason for each change so the audit trail shows how your thinking developed.

Naming themes well

Weak name (topic)Strong name (claim)
OnboardingBelonging comes from real work, not induction slides
ManagersShort, regular contact makes asking for help easy
Communication problemsUnclear ownership delays integration
TrainingTraining that arrives after the task is learned too late to help

Naming a theme as a claim forces you to say what it contributes. If you cannot write the claim, return to the data: you may have a topic, or two themes merged together.

Analytic memos

Memos are short notes you write while coding about what you notice, doubt and wonder. They turn coding into analysis.

Memo (hypothetical)

Memo, interview 7 and 11. Both describe feeling like part of the team only after client contact, and both are from branch teams of fewer than ten. Interview 4 (large central office) mentions the opposite: induction was enough. Possible pattern: team size or proximity to clients changes what builds belonging. Check against interviews 2, 9 and 13, and consider adding a code for team size.

Date your memos and keep them. They show how themes were built, support your methodology chapter and often provide the sentences of your discussion.

Rigor and quality

CriterionWhat you can do
CredibilityMember checking, triangulation with documents or other participants, thick description
DependabilityKeep an audit trail: codebook versions, memos, decision log
ConfirmabilityReflexive journal about your assumptions; second coder on a sample; negative case analysis
TransferabilityDescribe the setting and participants so readers can judge relevance

Saturation, the point at which new interviews add little to the themes, is a useful guide but not a guarantee; justify your sample size by the richness of the data and the scope of the question. Be honest about your own position, especially if you are an insider researcher.

  • State the approach and cite it For example Braun and Clarke.
  • Show the coding process An example table and a codebook in the appendix.
  • Use quotations with analysis Never leave a quote to speak for itself.
  • Be explicit about interpretation Say what the data suggest, not that they prove.

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Quick answers

How many interviews do I need for thematic analysis?

It depends on scope, but 10 to 30 is common for a focused business study. Justify the number by the richness of the data and the point at which new interviews add little.

Do I need software?

No. Software helps manage large datasets, but a spreadsheet or document with a clear codebook works for smaller projects. Software does not perform the analysis.

Can I count how many participants mention a theme?

You can report it to show how widespread a pattern is, but frequency is not the same as importance, and it should not be turned into statistics.

What is the difference between a code and a theme?

A code is a label for a segment of data. A theme is a broader pattern of meaning built from several codes, with a central idea.

Can I code with the help of an AI tool?

Check your institution's rules first. If allowed, you remain responsible for the analysis, so read the data yourself, verify every code and disclose how the tool was used.

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