Dr. Aris is conducting an investigation into the effectiveness of different public health campaigns designed to encourage smoking cessation among factory workers. He wants to compare a fear-arousing leaflet (Condition A) with a positive-reinforcement leaflet (Condition B). Dr. Aris plans to recruit participants from the factory's occupational health department using a volunteer sampling technique.
Describe how Dr. Aris could obtain his sample of participants using volunteer sampling.
57 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.