Dr. Vance is planning a study to investigate how cognitive flexibility changes across the lifespan from age 20 to age 70. She is considering using either a longitudinal research design or a cross-sectional research design.
Explain one way Dr. Vance could improve the design of her study if she chooses to use a longitudinal research design.
Explain one way Dr. Vance could improve the design of her study if she chooses to use a cross-sectional research design.
Practise Edexcel A Level Psychology Methods with exam-style questions for A Level Psychology. 638 questions, 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.