Biostatistics & Research · single question
Which value is required to determine statistical significance of a result?
Show answer and explanation
Correct answer: C. Probability (p) value
- A. The odds ratio quantifies association strength, not significance by itself.
- B. PPV/NPV are diagnostic test properties, not significance tests.
- C. Correct. The probability (p) value is compared to alpha (e.g., 0.05) to decide statistical significance.
- D. Relative risk measures effect size; a p-value or confidence interval determines significance.
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