One of the following is not a characteristic of casual association-: (A) Coherence, (B) Specificity, (C) Sensitivity, (D) Biological plausibility
Answer is C. Assosciations can be broadly grouped under 3 headings: Spurious association Indirect association Direct association, which consists of a) one to one causal association and b) multifactorial causation Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 95