A psychologist gives a sleep questionnaire to a class of 30 Year 11 pupils. It asks how many hours they slept last night and whether they use their phone after midnight.
Outline how the psychologist could keep the pupils' data confidential.
182 exam-style questions on OCR GCSE Psychology 7.1 Planning Research, covering 7.1.1 Hypotheses, 7.1.2 Variables, 7.1.3 Experimental Designs, 7.1.4 Populations and Sampling, 7.1.5 Ethical issues, and 7.1.6 Dealing with ethical issues and BPS Code. Each one has a worked solution and a mark scheme showing where the marks go.