AQA GCSE Psychology · 8182
Paper 1
Revise: Sampling MethodsIn stratified sampling, the researcher divides the target population into relevant subgroups, called strata, and selects participants from each in proportion to the subgroup's size. Strata might be based on age, gender or education.
- Revise: Planning and Conducting Research
Selecting participants so that relevant subgroups are represented in the same proportions as in the target population.