Psychology GCSE
Stratified sampling
What Stratified sampling means in Psychology GCSE, as defined for Pearson Edexcel.
Definition of Stratified sampling
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Read the wording for your board, then hide it and explain Stratified sampling in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Divides the population into subgroups and selects participants proportionally, ensuring high representativeness, though it is time-consuming.
Topics that use Stratified sampling
- Designing psychological research (Pearson Edexcel GCSE)
Related terms
- Alternative hypothesis
- Co-variables
- Counterbalancing
- Covert observation
- Dependent variable
- Dependent variable (DV)
- Ecological validity
- Extraneous variables
Using Stratified sampling in the exam
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