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Before you choose the method that you’ll use to collect data, you need to think about the size of population you are studying (e.g. the group of visitors to your museum or online exhibition)

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, the characteristics of that population and the amount of data (the sample) that will be representative enough so you can report what you learn with confidence.

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Intended Learning outcomes

This page is designed to help you:

  • Understand the principles of sampling, representativeness and validity for the type of data collection that you are likely to be doing.

  • Apply the principles to your data collection plan so that you can work towards getting a good sample.

  • Feel confident when reporting your results.

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Select members of the population at a regular interval that you agree in advance. For example, we would survey every 10th person in a list of ENA members arranged alphabetically.

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