What is Pre-screening?
In addition to being able to request certain demographic profiling of your survey audience, you can also qualify them with questions as to their suitability for your survey. For example: “Have you ever owned a car?”, “Do you like eating honey?”, “ Did you buy a skirt worth more than JPY10,000 in the last 3 months?”
What size pre-screen audience do I need?
The more specific your targeting, the bigger an audience you need to pre-screen. For our examples, we recommend at least 10-50 times as many pre-screen respondents as the desired final (standard) survey audience.
What if the pre-screen response is less than the number of people I need for the standard survey?
You have four choices: