Sample interview questions: How do you handle potential sources of bias in health outcomes research studies, such as observer bias or response bias?
Sample answer:
Addressing Potential Sources of Bias in Health Outcomes Research Studies
Observer Bias:
- Blinding: Assign participants and researchers randomly to treatment groups, with neither party knowing which group is receiving the intervention.
- Objective outcome measures: Use automated devices or standardized assessments to minimize observer subjectivity.
- Multiple observers: Have multiple trained observers independently assess outcomes to reduce the impact of individual biases.
Response Bias:
- Questionnaire design: Use clear, unbiased language and avoid leading questions.
- Anonymity and confidentiality: Ensure participants feel comfortable reporting truthful responses without fear of judgment.
- Cognitive debriefing: Ask participants about their understanding and any biases they may perceive to identify potential response biases.
Additional Strategies:
- Randomization: Randomly allocating participants to treatment groups helps balance known… Read full answer
Source: https://hireabo.com/job/2_3_21/Health%20Outcomes%20Researcher