A sociologist carried out a structured observation of pedestrian pro-social behavior (such as holding a door open) at a busy library entry foyer.
What is meant by an 'investigator effect'? Explain a possible investigator effect in this observational study.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 100 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.