An environmental psychologist was investigating concentration levels under different environmental conditions. She randomly allocated 30 participants to two separate conditions in an experiment.
Condition A: 15 participants performed a proofreading task for 10 minutes in a room with bright, natural daylight.
Condition B: 15 participants performed the same proofreading task for 10 minutes in a room with dim, artificial light.
Identify the experimental design used in this study.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) 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.
