Topic: sample size


For How Long Should Your Survey Be Open?

One of the most common questions you will be asked about your survey is “What was the sample size?”, and rightly so. Sample size is an important signal that tells others if they can believe your findings. Sample size is what makes the difference between your research being “quantitative” that is generally statistically significant or […]

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How many people do you need to interview to get results representative of the target population with the level of confidence that you are willing to accept? Sample Size Calculator Qualtrics offers a sample-size calculator that can help you determine your ideal sample size in seconds. Just put in the confidence level, population size, margin […]

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Tips for Finding the Right Sample

The old adage “garbage in, garbage out” is as true in survey sampling as it is in any other context. To perform any sound statistical analysis, you first need to know who you actually sampled and who you wanted to sample in the first place. If those two groups are disjoint at all, you might […]

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