A marine biologist is conducting research on the health of all bottlenose dolphins residing in a specific coastal bay. To select their sample, they use a database of individual dolphins that have been successfully fitted with active acoustic tracking tags.
Explain the difference between the target population and the sampling frame in the context of this study.
201 exam-style questions on OCR A Level Psychology Planning and conducting research. Each one has a worked solution and a mark scheme showing where the marks go.