Dr Vance is planning a 10-year longitudinal study investigating whether there is a relationship between mothers clinically diagnosed with Schizophrenia and the onset of prodromal symptoms in their teenage offspring.
Describe an appropriate sampling technique for this longitudinal study and explain how the researcher could obtain the sample.
82 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.