Explain how environmental stressors can elicit physiological arousal, with specific reference to the research conducted by Lundberg (1976) into commuter crowding. Your response should clearly outline the study's procedure and findings, and discuss how they illustrate biological stress pathways.
14 exam-style questions on OCR A Level Psychology Stressors in the environment (Biological). Each one has a worked solution and a mark scheme showing where the marks go.