Sampling (OCR A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a target population?
What is a target population?
A section of the general population
Why do researchers use samples instead of entire populations?
Why do researchers use samples instead of entire populations?
For practical and economic reasons
In random sampling, what chance does each member have of being selected?
In random sampling, what chance does each member have of being selected?
Equal chance
Which method is used to select participants in random sampling?
Which method is used to select participants in random sampling?
Lottery method
What is a key advantage of random sampling?
What is a key advantage of random sampling?
Free from researcher bias
What defines a systematic sample?
What defines a systematic sample?
Every nth member is chosen
What does a stratified sample reflect?
What does a stratified sample reflect?
Proportions of people in sub-groups
Why is stratified sampling good for generalisation?
Why is stratified sampling good for generalisation?
It produces a representative sample
How are participants selected in opportunity sampling?
How are participants selected in opportunity sampling?
Anyone willing and available
What type of bias affects opportunity sampling?
What type of bias affects opportunity sampling?
Researcher bias
How do participants join a volunteer sample?
How do participants join a volunteer sample?
They select themselves
What type of person does volunteer sampling typically attract?
What type of person does volunteer sampling typically attract?
Keen and helpful people