A researcher wishes to study the shopping habits of residents in a town. They stand outside a local supermarket on a weekday morning and invite shoppers to complete a survey, continuing until they have surveyed exactly 60 shoppers aged under 30 and 60 shoppers aged 30 or over to reflect the town's age distribution.
Which of the following correctly identifies this sampling method and its classification?
Stratified sampling, which is a probability sampling method.
Stratified sampling, which is a non-probability sampling method.
Quota sampling, which is a probability sampling method.
Quota sampling, which is a non-probability sampling method.
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.