An educational psychologist is investigating factors affecting academic resilience in university students. She monitors her participants by having them complete a weekly online survey about their stress levels and coping strategies. She also obtains their prior examination results from the university registry database.
Referring to this investigation, explain the difference between primary and secondary data.
235 exam-style questions on AQA A Level Psychology Data handling and analysis. Each one has a worked solution and a mark scheme showing where the marks go.