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.
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.