---
title: How do you design a win/loss interview questionnaire?
canonical: "https://winlossresearch.com/faq/how-do-you-design-a-win-loss-interview-questionnaire/"
description: "A well-designed questionnaire opens with broad questions before narrowing into pricing, competition, and specific objections."
---

# How do you design a win/loss interview questionnaire?

A well-designed win/loss questionnaire is built around the client's specific GTM questions rather than a generic template, and it opens with broad, open-ended questions about the buying process before narrowing into pricing, competition, and specific objections. That sequencing keeps buyers from defaulting to the easiest, most socially acceptable answer.

## What a Questionnaire Needs to Cover

A well-designed [interview questionnaire](/glossary/interview-questionnaire/) moves through the buying process and internal decision discussions, the evaluation criteria the buyer actually used, competitive comparisons, pricing perceptions, whether the vendor's messaging resonated, and the specific objections or concerns that shaped the outcome. Every one of these topics gets covered in a single conversation, so the questionnaire has to be structured to move through them efficiently without feeling like a checklist.

## Why Question Order Determines What You Actually Learn

Questions get shaped, often invisibly, by an organization's existing beliefs about why it wins and loses. A questionnaire that opens by asking directly about price will prompt buyers to confirm price as a factor, even when the underlying decision had more to do with an unaddressed evaluation criterion nobody thought to ask about. Opening with a broad question like "walk me through how the decision got made," before narrowing into specific topics, gives buyers room to volunteer the internal committee dynamic or the objection that never made it into a CRM field, rather than steering them toward a pre-selected answer.

## Designing for a Thirty-to-Forty-Five-Minute Conversation

A questionnaire that tries to cover every possible topic exhaustively tends to produce shallow answers across all of them. The better approach builds around the client's specific GTM questions, prioritizing the two or three topics that matter most for this particular engagement, and leaves room for the interviewer to follow an unexpected thread when a buyer raises something unprompted. That flexibility is often where the most useful finding in an interview actually surfaces.

## A Common Mistake

Reusing the same generic questionnaire across every engagement, regardless of the client's specific questions, produces interviews that are efficient to conduct but thin on the findings that actually matter to that particular business. A questionnaire built fresh around this engagement's GTM priorities, even if it reuses a consistent structural skeleton, produces meaningfully different and more useful results.

## How Follow-Up Questions Fit Into the Design

A written questionnaire is a starting structure, not a script to be read verbatim. The most useful moments in a win/loss interview often come from a follow-up question that wasn't on the original list, asked because a buyer mentioned something unprompted that deserves more detail. A well-designed questionnaire builds in room for this by keeping the core question set focused rather than exhaustive, leaving time in the thirty-to-forty-five-minute window for the interviewer to chase a thread the buyer raises rather than rushing through a fixed list.

## Testing a Questionnaire Before a Full Program

Running a small number of pilot interviews against a new questionnaire, before committing to the full interview count, surfaces problems that are hard to predict on paper: a question that consistently confuses buyers, a topic that takes longer than expected to cover, or an area the client cares about that the draft questionnaire barely touches. Adjusting the questionnaire after two or three pilot conversations, rather than after the full set is complete, keeps the entire interview set consistent enough to compare during analysis.

## Related

- [Win/Loss Research Methodology](/topics/win-loss-research-methodology/)
- [How do you identify patterns in win/loss research?](/faq/how-do-you-identify-patterns-in-win-loss-research/)
- [Interview questionnaire](/glossary/interview-questionnaire/)
