Dr. Vance is investigating whether the presence of a weapon (the weapon focus effect) during a simulated robbery affects the accuracy of facial identification. He is debating whether to use an independent groups design or a matched pairs design to assign his participants.
Compare independent groups and matched pairs experimental designs as used in criminological psychology.
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.
