
Can we have faith in the numbers? Issues in survey sampling (18 Feb 18)
Is your goal to obtain an accurate and representative view of how your target population feels and behaves so that policies can be appropriately determined? If yes, then you need to carefully consider your sample design.
It is impossible to get a representative spread of answers unless you start with a good sample design and follow it up to get a good response rate.
What is a good sample design? There are three main types of samples. CONVENIENCE, PURPOSIVE, and PROBABILITY.
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