The researchers rated the level of cooperative behavior of the children during a collaborative building block task. They used this rating as a measure of each child's level of social development.
Briefly explain how investigator effects might have occurred in this study.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 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.
