Dr. Vance conducted a naturalistic observation in a busy city metro station to investigate obedience to directional floor markings (social influence). He stood directly next to the main ticket barriers wearing a high-visibility jacket with 'RESEARCHER' printed on the back, clearly holding a clipboard and tallying whether passengers followed the directional arrows.
Explain one improvement that could be made to Dr. Vance's observation 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.
