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.
Practise Edexcel A Level Psychology Research methods and skills with exam-style questions for A Level Psychology. 657 questions covering Research methods and skills, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.