An environmental scientist is investigating the factors contributing to the severity of recent forest fires in a national park. She conducts field measurements at several recently burned sites, recording the soil moisture levels and charred organic matter thickness herself. She also obtains historical climate records (temperature and precipitation) from the national meteorological bureau's open database and satellite vegetation density maps from the European Space Agency's public archives.
Referring to this investigation, explain the difference between primary and secondary data.
Practise AQA A Level Psychology Data handling and analysis with exam-style questions for A Level Psychology. 263 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
