Dr Aris is planning a 15-year longitudinal study to investigate the cognitive and emotional development of children whose mothers experienced postpartum psychosis (PPP) within the first year of birth.
Describe an appropriate sampling technique that Dr Aris could use to recruit participants for this study, explaining how it would be carried out and why it is appropriate.
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.
