Carlsson et al. (2000) drew on secondary data from a range of primary sources, including animal research and positron emission tomography (PET) studies, to develop their glutamatergic hypothesis of schizophrenia.
Explain one benefit and one drawback of Carlsson et al. utilizing secondary data rather than conducting primary research themselves.
Practise Edexcel A Level Psychology Studies with exam-style questions for A Level Psychology. 119 questions covering Classic study: Little Albert (Watson and Rayner), Contemporary study: Becker et al. (2002), Contemporary study: Bastian et al. (2011), and Contemporary study: Capafóns et al. (1998), 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.
