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.
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.