Dr. Al-Jamil is planning to carry out a cross-sectional study comparing the cognitive functioning of patients diagnosed with schizophrenia who have been residing at a secure psychiatric facility for different lengths of time.
Describe how Dr. Al-Jamil could obtain a sample for this cross-sectional study.
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.
