Dr. Al-Amin wants to investigate whether screen illumination level (high brightness vs. low night-mode brightness) affects reading comprehension speed in adults. He plans to recruit participants by approaching individuals who are sitting in the communal lobby of a software engineering firm during their lunch hour.
Identify the sampling technique Dr. Al-Amin is planning to use in this study and explain one limitation of using this technique in this specific research.
Practise Edexcel A Level Psychology Methods with exam-style questions for A Level Psychology. 638 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.