In a clinical trial investigating the effectiveness of a new computerized cognitive remediation therapy (CRT) for patients diagnosed with schizophrenia, researchers compared a treatment group using the CRT application with a control group playing basic, non-therapeutic computer games.
The researchers were concerned that the outcome measures of cognitive recovery might be biased by demand characteristics and investigator effects.
Explain how the researchers could design or conduct this study to eliminate or reduce both demand characteristics and investigator effects.
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.
