In a laboratory experiment investigating the effects of acoustic noise on reading comprehension, a cognitive psychologist utilized an independent groups design, where different participants were assigned to either a quiet condition or a noisy condition. The researcher is concerned that participant variables (such as individual differences in reading ability) between the two groups may have confounded the results.
Outline two ways in which the psychologist could modify the experimental design of this study to address this issue.
Modification 1:
Modification 2:
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 100 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.