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GCSE Psychology · key term
The process of selecting participants from a target population for research.
Used by OCR
Paper 1, Paper 2
Revise: Populations and SamplingSampling is the process used to select them, and sample size is the number of participants in that group. Studying a sample makes research manageable when testing everyone would take too much time or money.
When describing a sampling method, explain exactly how participants would be recruited in the study described, rather than only giving its definition.
Random sampling selects participants from a population; random allocation places participants into experimental conditions. They are not the same process.
Sampling methods are not experimental designs: opportunity sampling describes recruitment, whereas independent measures describes how participants take part in conditions.
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