Employees' self-reports of their hand hygiene practices in office communal kitchens are often highly unreliable. Most employees overestimate the frequency and duration of their handwashing to avoid appearing unhygienic to colleagues or researchers. A researcher decides to observe the actual handwashing behaviour of an opportunity sample of staff members.
Explain why it is more appropriate for the researcher to use an observation rather than a questionnaire in this case.
Practise AQA A Level Psychology Observational techniques with exam-style questions for A Level Psychology. 30 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.