Write a screener survey The screener survey is a simple questionnaire for interested people to fill out. You’ll need to ask the right questions to find the right people. Start by writing down characteristics of the customers you want to test with, then translate those characteristics into something you can discover with your survey. Do the same thing for characteristics you want to exclude (for example, people with too much expertise in your industry). Blue Bottle Coffee wanted to interview “coffee-drinking foodies.” To find these customers, we used measurable criteria like: they drink at
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