HILL’S criteria of causal association are all except:: (A) Specificity of association, (B) Sensitivity, (C) Consistency, (D) Coherence
Answer is B. Bradford Hill & others pointed out that the likelihood of a causal relationship is increased by the presence of the following criteria :

Temporal Association
Strength of Association
Specificity of Association
Consistency of Association
Biological Plausibility
Coherence of Association