For comparing proportions from two independent groups in a cross-sectional study, which test is MOST appropriate?
- A Paired t-test
- B Pearson correlation
- C Chi-square test ✓
- D ANOVA
Correct answer: C. Chi-square test
Explanation
The chi-square test is appropriate for comparing proportions (categorical data) between two independent groups. Paired t-test compares means in paired samples; Pearson correlation assesses linear relationships between continuous variables; ANOVA compares means across three or more groups.
Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
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