Podcast
Questions and Answers
Which type of studies are most affected by information bias?
Which type of studies are most affected by information bias?
- Studies that use objective measurements
- Studies that rely on self-reports (correct)
- Studies that use only medical records
- Studies that use only biomarkers
What is the purpose of using multiple measurement tools?
What is the purpose of using multiple measurement tools?
- To decrease the study duration
- To increase participant burden
- To increase the sample size
- To reduce measurement error (correct)
What can be used to confirm disease status?
What can be used to confirm disease status?
- Only pharmaceutical treatment administered
- Only participant self-reports
- Only medical records
- Information from participants' personal GP, medical or other health records (correct)
What happens when a study relies solely on self-reports?
What happens when a study relies solely on self-reports?
What is the effect of information bias on study results?
What is the effect of information bias on study results?
Why did AD patients tend to report less physical activity than controls in the example study?
Why did AD patients tend to report less physical activity than controls in the example study?
What is an example of information bias in the study on physical activity and Alzheimer's Disease?
What is an example of information bias in the study on physical activity and Alzheimer's Disease?
What type of design was the study on physical activity and Alzheimer's Disease?
What type of design was the study on physical activity and Alzheimer's Disease?
What is the association that was investigated in the example study?
What is the association that was investigated in the example study?
What is a limitation of relying on self-reports in the study?
What is a limitation of relying on self-reports in the study?
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