Sampling, The aim is to select a representative sample so that generalisations can be made, Sample frame, a list of all the members of the target population, Random sample, every member of the population has an equal chance of being included in the sample, Stratified sampling, if the researcher has a sampling frame that shows the main characteristics of the population, it is possible to ensure that the sample includes the right proportion in each category, Quota sampling, the researcher establishes how many participants are needed in each category and goes looking for them, Systematic sampling, the researcher calculates how many people from each group are required, Snowball sampling, Interviews an individual and then asks them to suggest who else might be interviewed, Volunteer sampling, Invite people to volunteer for the research, Purposive, when the researcher has limited time and/or there is no sampling frame available, they might set out to find people with the characteristics that are relevant to the study, Opportunity/Convenience, easy for the researcher to contact

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