MCQ Collection
Research, Ethics & Public Health MCQs
Practice Research, Ethics & Public Health questions with answers and explanations.
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Correct Answer: D. Randomisation
Explanation:
Randomisation is allocation by chance to reduce selection bias and balance known and unknown confounders.
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Correct Answer: D. Blinding
Explanation:
Blinding is keeping participants, clinicians or assessors unaware of assignment to reduce bias.
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Correct Answer: C. Confidence interval
Explanation:
Confidence interval is a range of values compatible with the observed data under a stated confidence level.
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Correct Answer: C. Randomisation
Explanation:
Randomisation is allocation by chance to reduce selection bias and balance known and unknown confounders.
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Correct Answer: B. Blinding
Explanation:
Blinding is keeping participants, clinicians or assessors unaware of assignment to reduce bias.
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Correct Answer: B. Confidence interval
Explanation:
Confidence interval is a range of values compatible with the observed data under a stated confidence level.
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Correct Answer: A. P value
Explanation:
P value is a probability calculated under a null hypothesis for results at least as extreme as those observed.
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Correct Answer: B. Type I error
Explanation:
Type I error is rejecting a true null hypothesis.
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Correct Answer: C. Type II error
Explanation:
Type II error is failing to reject a false null hypothesis.
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Correct Answer: C. Autonomy
Explanation:
Autonomy is respect for a person’s right to make informed decisions about their own care.
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Correct Answer: B. Beneficence
Explanation:
Beneficence is an ethical duty to promote the patient’s welfare.
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Correct Answer: B. Non-maleficence
Explanation:
Non-maleficence is an ethical duty to avoid causing unnecessary harm.