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.
18 exam-style questions on Edexcel A Level Psychology Studies, covering Classic study: Rosenhan (1973), Contemporary study (schizophrenia): Carlsson et al., Contemporary study (depression): Kroenke et al., Contemporary study (depression): Williams et al., Contemporary study (anorexia): Scott-Van Zeeland et al., Contemporary study (anorexia): Guardia et al., Contemporary study (OCD): Masellis et al., and Contemporary study (OCD): POTS team / March et al.. Each one has a worked solution and a mark scheme showing where the marks go.