You are the Diver

 If you want your research to be statistically reliable — meaning that you can depend on it to accurately represent a particular audience, guide your strategic direction, etc. — you need to have a certain number of respondents. So the simple answer to this question is 400. But of course, that’s not the only…

 There are a variety of ways to group your research respondents to better understand them.

Buying publicly available research reports can seem like an expedient way to get the information you’re looking for. But there are some things to be aware of.