two - There are .... strands of sampling., sample - Researchers cannot study everyone, therefore, they need a ...., snowball - When you use a .....sample one person leads to another., systematic - ....sample = you pick every nth person from the sampling frame, frame - a sampling....is needed for a random sample, non - a ....random sample is used when a sampling frame is not available, simple - ...random sample - like picking names out of a hat, stratified - ....sample = the sampling frame is divided up into categories, e.g. age, gender etc, volunteer - ....sample = people self-select, opportunity - ....sample = you pick people who are around at the time, quota - ...sample = when the researcher does not have a sampling frame but wants to make sure the sample is representative, representative - when a sample mirrors the wider population, we call it...., generalisable - findings from a representative sample will be more...., techniques - there are different sampling...., sampling - ....techniques,

Sampling methods

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