sampling methods
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7 Terms
what is sampling?
how participants are selected to take part in a study
what is the aim of using sampling methods?
to ensure a representative sample of participants is used to reflect characteristics of the population
what is a target population?
the people the findings of a study can be applied to
what is opportunity sampling?
taking a sample from people who are available at the time the study is carried out
what is random sampling?
where every member of the population has an equal chance of being chosen after they are identified and the number participants needed are selected
what is stratified sampling?
classifying the population into categories and then choosing a sample consisting of participants from each category in the same proportions as they are in the population
what is volunteer sampling?
participants becoming part of a study because they volunteer in response to an advert