Lessons Learned from Programming 2,000 Surveys Over 20 Years
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Tip 5: Sample
Sample is the profile of your respondents and is often times referred to as “Sample Frame”:
Sample Frame N=200
Have visited a bar in last 2 months 100%
Use phone while at bar N=80
Let’s decode our sample frame…
- Sample Frame N=200 means we are looking for a total of 200 respondents.
- Male/Female 50%/50% means we want an even split between gender.
- Have visited a bar in last 2 months 100% means that all qualified respondents are bar goers
- Use phone while at bar N=80 sets a minimum of 80 respondents who fit this criteria. Note, it is likely that the total pool of respondents who use a phone at bars is much higher…this is just setting a floor to ensure we have enough people in this bucket.
Have a minimum of 80 respondents in each segment you want to analyze. This gives you a big enough group to ensure you have a representative sample.
Pro Tip: Why percentage instead of set numbers? Because we may adjust our total N and this keeps things symmetrical.
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