Marcus wants to investigate whether there is a difference in physiological stress responses (such as heart rate) when people are exposed to stressful virtual reality environments compared to relaxing virtual reality environments. He decides to gather a sample of male participants aged between 18 and 25 years old.
Describe how Marcus could use a volunteer sampling technique to gather participants for his investigation.
638 exam-style questions on Edexcel A Level Psychology Methods. Each one has a worked solution and a mark scheme showing where the marks go.