The manager of a botanical garden wants to see if visitors are reading the new educational plaques about biodiversity. A researcher, dressed in standard staff uniform, pretends to sweep the gravel pathway nearby while secretly recording whether each visitor stops to read the plaques.
Identify one type of observation being used in this study. Justify your answer.
30 exam-style questions on AQA A Level Psychology Observational techniques. Each one has a worked solution and a mark scheme showing where the marks go.