Dr Evelyn wants to investigate whether there is a difference in cognitive fatigue levels (such as reaction times) when licensed drone operators perform simulated night-time surveillance missions compared to daytime missions. She wants to gather a sample of licensed drone operators aged between 30 and 50 years old with at least 2 years of flight experience.
Describe how Dr Evelyn could use a volunteer sampling technique to obtain a sample for her investigation.
Practise Edexcel A Level Psychology Methods with exam-style questions for A Level Psychology. 100 questions, 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.