The classic research by Mednick et al. (1984) investigated the genetic basis of criminal behaviour using the Danish Adoption Registry to identify adoptees and their biological and adoptive parents. Outline one strength of Mednick et al. (1984) conducting their research through the use of this national registry.
25 exam-style questions on OCR A Level Psychology What makes a criminal? (Biological). Each one has a worked solution and a mark scheme showing where the marks go.