Dr. Kenji wants to conduct a cross-sectional study to investigate the sleep hygiene habits of patients diagnosed with Major Depressive Disorder (MDD) at a private outpatient psychiatric clinic.
Describe how Dr. Kenji 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.