Anisha conducted a naturalistic observation in a university cafeteria to investigate conformity to social norms. She sat at a central table with a large, brightly coloured folder and a stopwatch, openly timing how long students remained seated after their group members got up to leave.
Explain one improvement that could be made to Anisha's investigation in terms of validity.
88 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.