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GCSE Psychology · key term
The smaller group selected from a target population to take part in research.
Used by AQA and OCR
Paper 1, Paper 2
Revise: Sampling MethodsA sample is the smaller group selected from the target population to take part in the research. Using a sample saves time and money and makes a study manageable.
The smaller group of people selected from a target population to take part in research.
Random sampling gives each member an equal chance; it does not guarantee a representative sample.
When evaluating a sample, name the target population, identify which relevant groups are missing or over-represented, and explain how this limits generalisation.
A larger sample is not automatically representative: increasing the number of participants does not necessarily remove selection bias.
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Paper 1, Paper 2
The smaller group of participants selected from a target population who actually take part in research.
Revise: Populations and SamplingA sample is the smaller group who actually take part. Sampling 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.
The person or group of people taking part in a study.
The smaller group of participants selected from a target population to take part in research.
