Non-random sampling (AQA GCSE Statistics): Flashcards
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Practise the cards
10 cards from this deck
What is judgement sampling in non-random sampling?
What is judgement sampling in non-random sampling?
It uses expert knowledge to select representative participants.
How does opportunity sampling work?
How does opportunity sampling work?
Participants are chosen based on their availability.
What is cluster sampling in statistics?
What is cluster sampling in statistics?
Sampling by selecting entire groups from a population.
What is the main advantage of quota sampling?
What is the main advantage of quota sampling?
Ensures representation from different population subgroups.
Explain systematic sampling with an example.
Explain systematic sampling with an example.
Select every 5th person from a list or every 3rd house.
Why might cluster sampling be efficient?
Why might cluster sampling be efficient?
It reduces travel by sampling all in selected clusters.
What is a sampling frame?
What is a sampling frame?
A complete list of items in the population for sampling.
How can bias occur in judgement sampling?
How can bias occur in judgement sampling?
It depends on the researcher's expertise and biases.
What is a representative sample?
What is a representative sample?
A sample that accurately reflects the population's characteristics.
Describe a scenario for opportunity sampling.
Describe a scenario for opportunity sampling.
Survey students in a classroom who are present at the time.