Marcus conducted a naturalistic observation on a primary school playground to investigate the imitation of media aggression (Social Learning Theory) among young children. He sat clearly visible on a nearby bench with a clipboard, openly tallying instances of 'rough and aggressive play' among the children.
Explain one improvement that could be made to Marcus's investigation in terms of validity.
Practise Edexcel A Level Psychology Research methods and skills with exam-style questions for A Level Psychology. 657 questions covering Research methods and skills, matched to the Edexcel A Level Psychology (9PS0) 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.
