A researcher sits on a bench in a shopping centre and tallies how often shoppers hold a door open for the person behind them. The shoppers are not told that they are being observed.
Explain one strength and one weakness of carrying out this observation covertly.
139 exam-style questions on OCR GCSE Psychology 7.2 Doing Research, covering 7.2.1 Experiments, 7.2.2 Interviews, 7.2.3 Questionnaires (Surveys), 7.2.4 Observations, 7.2.5 Case Studies, and 7.2.6 Correlations. Each one has a worked solution and a mark scheme showing where the marks go.