How do I write survey questions that surface the job instead of just confirming what I already believe?
Surveys are terrible at discovering jobs and decent at sizing ones you've already found through conversation, so don't lead with them. When you do use them, ask about past behavior ("what did you do the last time this happened") rather than intentions or hypotheticals, which people answer aspirationally. As a starting point, run interviews to find the job, then survey to measure how widespread the struggle is.
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The single best thing ever written on customer conversations. It teaches you to ask about the customer's life and past behaviour, not your idea, so you can't be lied to. If a founder reads one thing before talking to a single customer, it's this.
Once you know you should ask about real behavior, this guide gives you the concrete phrasing rules to keep your wording from leaking the answer you want. It comes from Kantar, one of the largest research firms, and pairs each rule with a before and after example so you can spot the leading version in your own draft. Practical and specific, not theory.
Once you have found the job and written behavior-based questions, Typeform is a fast, accessible way to field them. Its one-question-at-a-time format lifts completion rates, which matters when you are asking founders and customers to actually finish. There is a free plan, so you can run a real survey before spending anything.