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.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.