In a laboratory experiment investigating the effects of lighting on worker productivity, researchers asked 20 university students to complete a 10-minute proofreading task under either dim or bright fluorescent lighting. Productivity was measured by the number of spelling errors correctly identified.
Explain two improvements that the researchers could make to this workspace productivity study.
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.