Scientific Investigation, Planning, Ethics, and Safety (VCE SSCE Psychology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a population in research?
What is a population in research?
The wider group a study is investigating
What must be included when describing a sample?
What must be included when describing a sample?
Exact number, age, sex, location
Why are larger samples more reliable?
Why are larger samples more reliable?
They reduce impact of unusual participants
What defines random sampling?
What defines random sampling?
Equal chance of selection for all
How is random sampling typically implemented for large populations?
How is random sampling typically implemented for large populations?
Assign numbers, use random generator
What is the main strength of random sampling?
What is the main strength of random sampling?
Large samples likely representative
What is a key limitation of random sampling?
What is a key limitation of random sampling?
Hard to obtain all population names
What is stratified sampling?
What is stratified sampling?
Dividing into subgroups, selecting proportionally
What is the main advantage of stratified sampling?
What is the main advantage of stratified sampling?
Subgroups get fair representation
Why is stratified sampling more time-consuming than random sampling?
Why is stratified sampling more time-consuming than random sampling?
Must form subgroups & may need pre-testing