Customer SurveysMarket Research

Sample Size for Market Research Surveys: How Big Is Big Enough?

Sample Size for Survey ResearchHow many people need to take your survey, for you to have confidence in the results? I can answer that question two ways; a long, academic way, or a short, friendly way.

Today, let’s take the short and friendly approach. Especially since someone else has done the work for me! The nice folks over at SurveyMonkey have written a very short article that gives great direction on sample size estimation.  Please do check out their article, and also—and you did see this coming, right?—my comment adding one little tweak to it.

Other great sample size articles can be found on the AYTM blog (yep, that’s my by-line on that one) and on the Relevant Insights blog.

Any questions? Post them here or submit them using this form.


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Kathryn Korostoff

Kathryn Korostoff is founder and lead instructor at Research Rockstar. Over the past 25 years, she has personally directed more than 600 primary market research projects and published over 100 bylined articles in magazines. She is also a professor at Boston University, where she teaches grad students how to analyze and report quantitative data.

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