As part of your study of social psychology, you will have designed and conducted a practical research investigation (for example, an experiment or questionnaire looking at conformity, obedience, or social influence).
Describe two modifications you could make to the design or procedure of this specific investigation, and explain how each modification would improve its validity or reliability.
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.
