Example: dental hygienist
Statistics tutorial bias in survey sampling
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What is the purpose of sampling?
www.thh.nhs.ukInformation sheet 16 Education Centre, The Hillingdon Hospital. Tel: 01985 279021. Ext. 3021 Email: gay.bineham@thh.nhs.uk • The judgement sample – The research population is obtained according to the discretion of someone who is familiar with the research populations relevant characteristics