Marcus is 16 years old and has been displaying aggressive behaviour.
Recently, he has physically pushed opponents during rugby practice, smashed his computer keyboard after losing an online video game, and shouted aggressively during arguments with his older brother at home.
Describe how hormones could account for Marcus's behaviour.
88 exam-style questions on Edexcel A Level Psychology Content, covering Central nervous system and neurotransmitters, Effect of recreational drugs on transmission, Brain structure and aggression, Evolution and natural selection, Freud's psychodynamic explanation of aggression, Role of hormones in aggression, Individual differences, and Developmental psychology. Each one has a worked solution and a mark scheme showing where the marks go.