The failure mode of a customer survey is not a bad response — it's no response at all. Every question you add cuts your completion rate. Every question you omit cuts your insight. The design job is to find the shortest survey that still yields signal.
One rating, one open field
The two-question survey — a 1–5 rating and an optional "what stood out?" — outperforms the ten-question survey by a wide margin in almost every small-business context. You get the number for the trendline and the sentence for the theme.
Branch instead of expand
If you must ask more, branch on the rating. Ask happy customers what they'd like to see more of. Ask unhappy customers what fell short. Never ask both cohorts every question — you'll bore the first and infuriate the second.
Ask for consent, not commitment
At the end, offer the option to be contacted about the feedback. Make it a single toggle. Never require it. The customers who opt in are your highest-signal segment.
Deliver the survey where the moment lives
A QR code on the receipt, an NFC tap at the counter, or a text an hour after service outperforms an email sent the next morning. The half-life of a fresh memory is measured in minutes.
Short surveys aren't lazy — they're respectful. And respect is what customers reward with truth.
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