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), 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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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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