Random - Everyone in the target population has an equal chance of being picked, Stratified - A population is divided up and then each section is sampled, Quota - The researcher identifies characteristics of people required to represent the whole group and then seeks people who fit that description, Systematic - Names are picked from a list in some organised fashion, Snowball - People who belong to the target population recommend others, Volunteer - People respond to an advert or otherwise put their name forward, Purposive - Researchers set out to find people with specific characteristics, Opportunity - The sample is made up of people who are readily available,

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