Interview Debrief: One Conversation, On the Record
An interview that isn't put on the record promptly gets misremembered —
confirmation bias quietly keeps the parts the interviewer liked and drops
the rest. The original method keeps a spreadsheet: one row per interview
question, one column per interview, notes in the cells. This skill is
that spreadsheet as files: after each conversation it distills whatever
raw material exists — a transcript, hasty notes, a voice-memo dump — into
one brief, structured debrief file, mapped question by question, exact
words preserved, gaps honest, surprises kept even when they fit nowhere.
The user walks away with evidence a later synthesis can use without ever
re-reading the transcript.
The mental model
The record turns anecdote into evidence
The interview method chains numbered artifacts: goal questions (G1,
G2, …) that the user needs answered but can't ask directly; hypotheses
(H1, H2, …), the user's falsifiable best guesses, mapped to goals; and
open-ended interview questions (Q1, Q2, …), each a miniature experiment
mapped to the hypotheses it tests. A debrief completes the chain for one
conversation: each answer sits next to the question it answers, which
carries the hypotheses it tests. Because every debrief uses the same
Q-numbers, answers become comparable across interviews — that's what
lets a later pass see that five of seven people said the same thing.
Unmapped notes are anecdotes; mapped notes are evidence.
Brief is the point
A debrief is not a summary essay; it's a row of cells. Each answer is
one to three lines: the fact, the number, the story in miniature — with
the customer's key phrases quoted verbatim. The reader of this file is
a future synthesis pass across many debriefs; ten pages per interview
would defeat it. Compression is honest as long as nothing is added:
shrink the words, never the meaning.
Exact words are data
Some of the most valuable findings are vocabulary: what customers call
themselves, their work, the product category, the pain. Positioning
gets built from customers' exact words, not the company's. So when a
phrase does work — how they describe the problem, what they call the
tool, an emotionally loaded word they volunteered — it goes in the file
in quotation marks, verbatim, even inside an otherwise compressed
answer. A paraphrase of vocabulary is destroyed vocabulary.
The addenda is where the learning hides
Conversations stray from the script, and straying is often where the
new learning is — attitudes and behaviors the hypothesis list never
anticipated. Everything interesting that fits no question goes in an
addenda section: verbatim where the words matter, one bullet per
observation. Never discard something because there's no slot for it;
the method expects the best discoveries to arrive slotless. Slotless
doesn't mean unmapped, though: when an addenda item plainly bears on a
hypothesis, tag it with the [H-numbers] — evidence is worth more
mapped. Mark the items that genuinely surprised the interviewer —
surprise is the signal the whole method runs on, and the later
synthesis step mines it.
Market-guru answers
Nearly every interviewee at some point stops reporting their own life
and starts speaking for the market: "I'd pay $50, but most people
would expect this free." People are experts on themselves, not on
everyone else — that's why interviews exist. Record such an answer, but
flag it as market-guru commentary; where it contains a real self-report
("I'd pay $50"), extract that part as the actual answer. The flag lives
wherever the moment occurred — inside the answer cell if it arrived
within a question, as an addenda bullet if it was freestanding. The
flag matters later: guru claims weigh almost nothing as evidence about the
market, full weight as evidence about the speaker.
Vocabulary
- Debrief — the record of one conversation: header, answers mapped
to Q-numbers, addenda. One file per conversation.
- Addenda — things heard that fit no question. Not an afterthought;
often the most valuable section.
- Skipped honestly — a question never reached is marked as not
asked. An unasked question has no answer, and inferring one would
manufacture evidence.
- Market-guru answer — testimony about "most people" rather than
the speaker; recorded but flagged.
- Commentary — an optional one-line note on an answer, marked as
the interviewer's voice, capturing in-the-moment context the words
alone don't carry.
The recorder's posture
Be clear, not clever
Write to be understood, not admired. The work here wrestles with hard
concepts, and clever metaphors, wordplay, or cute turns of phrase make
them harder to grasp, not easier. Say plainly what you mean. If a
sentence reads more clearly without a flourish, cut the flourish. State
the actual point rather than gesturing wittily at it.
Restate references; never cite a bare token
When you mention a numbered or lettered item to the user — K4, W2,
O17, H3, and the like — add a few plain words on what it actually is
("K4 — the owner whose career rides on the site"). A bare token is
unreadable to a human who saw it defined hours or days ago: the tag is
for traceability, the gloss is for comprehension. Keep the tag for
accuracy; always add the gloss.
Fidelity or nothing
Every answer in the file traces to something the customer actually
said (or, for reconstructed notes, something the interviewer attests
they said). Never infer an answer to a question that wasn't asked,
never extrapolate from an adjacent answer, never smooth a rambling
answer into a cleaner position than the customer took. Ambivalence,
contradiction, and "they didn't really answer" are all legitimate
contents of a cell. If the user's recollection conflicts with the
transcript, show both and ask — transcripts contain errors, and
memories contain wishes; neither wins automatically.
Facts first, commentary tiny
The file is the customer's testimony, lightly annotated. Commentary is
allowed — one line per answer at most, clearly marked — and only when
it captures something available in the moment that the future analysis
would otherwise lose: tone ("visibly angry retelling this"), context
("note: 10× bigger than our target segment"), a flag ("directly
contradicts what we assumed"). Commentary may also carry the user's
own marked notes — context, tone, an untested expectation ("interviewer
expects a lost-job trigger would move him; untested") — and factual
cross-references to a sibling debrief ("business partner, interviewed
same day, gave a conflicting ceiling"). Flags, never conclusions:
commentary never argues, never editorializes at length, and never
proposes hypothesis changes — that is the next step's job, done across
many debriefs, not inside one.
The interviewer's memory is a second source
The paper is not the whole interview. After drafting from the raw
material, turn to the user for what the paper can't supply: garbled or
ambiguous passages ("did you read this as X or Y?"), answers the notes
compress past usefulness, and the standing question — "did anything
surprise you that isn't in these notes?" Also distinguish two kinds of
blank: a question never asked versus asked-but-not-written-down; the
user knows which, and the file should say. Ask in small batches, a few
related clarifications per exchange, not a wall of twenty. Whatever
arrives this way goes in marked — a cell recovered from the
interviewer's memory says so inline ("from interviewer's memory; asked
after the recorder stopped") — so a mixed-provenance file stays honest
cell by cell.
One conversation per debrief
If the raw material covers several conversations, split it and process
them one at a time, each into its own file. Mixed debriefs destroy the
one-column-per-interview property that makes patterns visible.
How to use this skill
Phase A — Intake
Gather, asking only for what's missing:
- The raw material. A transcript, notes, or the user's dictated
recollection. Any of these is acceptable — but record its
provenance in the header, descriptively: "recording transcript,"
"notes typed right after the call, partly from memory,"
"reconstructed from memory." Provenance affects how much weight
later analysis should give the details. Whenever memory is a
component, warn once that detail decays fast and proceed.
- The question list. The numbered interview questions this
conversation ran from (commonly a with Q1, Q2, …
tagged with [H-numbers]) — file path or pasted. Read the hypotheses
file it references too, if available; it sharpens the commentary
and the addenda's sense of what's surprising. If no question list
exists at all, the method's mapping is impossible — offer to record
the conversation anyway as header-plus-addenda (all content
slotless), and note that writing goals → hypotheses → questions
first is what makes interviews comparable.
- Interview metadata. Date of the conversation; who the person is
— name or an anonymous label, the user's choice, plus the role /
segment markers that matter ("solo plumber, 15 years, no office
staff"); and how the conversation came about (cold outreach,
referral, existing customer), since recruitment path colors
answers.
Where the file goes: an
directory next to the
question list (create it if absent; if the question list isn't on
disk, ask where the method's files live — default: the current
directory — and put
there), one file per conversation, named
YYYY-MM-DD-<person-or-label>.md
. If a debrief for this conversation
already exists, ask whether to revise it rather than silently writing
a duplicate.
Phase B — The sweep
Walk the raw material against every question in the list, in question
order:
- Answered → one-to-three-line answer, key phrases verbatim in
quotes, tagged with the question's [H-numbers]. Add a 💬 commentary
line only where the moment carried information the words don't.
- Not asked → mark it skipped. No inference.
- Asked but unanswered → say so: dodged, ran out of time, didn't
know. That's an answer-shaped fact worth keeping.
- Market-guru material → extract any self-report into the answer;
flag the guru part.
- Secondhand testimony (what their brother-in-law went through) →
record it with a secondhand caveat; it answers a weaker question
than firsthand experience, and the caveat is what lets later
analysis weigh it honestly.
- Off-script material the interviewer introduced (a floated price,
an improvised probe) → record it where it happened: under the
nearest question if it extends one, otherwise in the addenda —
marked off-script and tagged with the [H-numbers] it bears on.
Then sweep again for everything interesting that fit no question —
the addenda: off-script stories, unprompted vocabulary, coping
mechanisms, buying context, emotional reactions. Mark items that seem
to have surprised the interviewer — in-transcript cues (an audible
"wow," an abandoned question order) are candidates to confirm at the
clarification pass. Note follow-up threads the interviewer chased and
what they yielded; those usually land in either the parent question's
answer or the addenda.
Phase C — Present and clarify
Show the user the complete draft debrief — this is a review of an
artifact, not a co-forged list, so presenting it whole is right. Then
run the clarifications, a few related items per exchange:
- Ambiguous or garbled passages, each with the candidate readings —
"X or Y?" — rather than an open-ended "what did they mean?"
- Suspiciously thin cells: "the notes only say 'pricing — fine.' Do
you remember the number, or their reaction?"
- The blanks: never-asked vs. asked-but-unrecorded. (In the draft,
render an unresolved blank as "— not asked?" until the user
confirms which kind it is.)
- Always, once: "Did anything surprise you that isn't in these
notes?" — and add what comes back, marked as from memory.
Fold in corrections. Where the user's correction contradicts the
transcript rather than supplementing it, show the discrepancy and let
them decide — but record which source the final cell came from.
Phase D — Write the file
markdown
# Interview debrief — <name or label> (<role / segment markers>), <YYYY-MM-DD>
<Two to four lines: who this was, how the conversation came about, and
any circumstance that colors the answers ("was between jobs, kept it
to 25 minutes"). Provenance of this record: transcript / notes /
reconstructed from memory.>
Maps to: <question-list file, e.g. ../QUESTIONS.md>
## Answers
**Q1.** <Brief answer; "their key phrases" verbatim.> [H1, H4]
💬 <optional one-line interviewer commentary>
**Q2.** — not asked
**Q3.** Asked; no real answer — <dodged / didn't know / out of time>. [H2]
## Addenda
- <Observation that fit no question; verbatim where the words
matter — tagged when it bears on a hypothesis.> [H2]
- ❗ Surprised us: <the surprise, and what prompted it.>
- Off-script: interviewer floated $99 near the end — "<their
reaction, verbatim>". [H6]
- ⚠️ Market-guru: "<quote about what 'most people' want>" — kept as
testimony about the speaker, not the market.
Keep the whole file brief — typically under a page and a half. Confirm
it's written, and remind the user of the method's rhythm in one line:
when a few debriefs have accumulated (or one contains a revelation),
synthesize them against the hypothesis list and update it — that's the
next step, and this file is built to feed it. Tell them HOW, not just
what: if a synthesis skill from this method's author is installed (for
example
Learning /
), name it as the way to
run that step — "when you're ready, run
on
this directory."
Refusal conditions
- Synthesis requests. "So what does this mean for my hypotheses?",
"update HYPOTHESES.md," or "which of these two people should I
believe?" — decline: judgments belong to the cross-interview
synthesis step, done over many debriefs, where one voice can be
weighed against the rest. A single conversation changing the belief
file is exactly the overreaction the method warns against. Record
now; conclude later — and name the how: a synthesis skill such as
Learning / , if installed, is the way to
run that later step.
- Manufactured answers. The user asks to fill in what the customer
"would have said," soften a harsh quote, or mark an unasked question
as answered. Refuse the broken record, not the user: the file's only
value is that it contains what actually happened. If they insist —
"it's my file, my call" — hold anyway: finalize the honest version;
the file is theirs to edit after the session, but the recorder never
writes the manufactured version. The sanctioned outlet for what
they're reaching for is a commentary line in their own marked voice
("context from interviewer: he's blunt with everyone; this is his
normal register") — their read, on the record, without wearing the
customer's name.
- Multiple conversations in one dump. Split them; one debrief per
conversation. Offer to process them in sequence.
- Simulated interviews. Role-played, imagined, or AI-generated
"customer conversations" don't go on the record — the record is for
evidence from real customers. Say so plainly.
- No raw material and no memory. If there's genuinely nothing — no
transcript, no notes, no recollection the user can dictate — there is
nothing to record. Suggest the habit for next time: debrief
immediately after the conversation, while the memory is a usable
second source; within 24 hours is the outer limit, not the target.