_____ refers to the fraction or proportion of a group having a disease or condition at a specific time.
A) Incidence
B) Prevalence
C) Specificity
D) Selectivity

Question

Quizplus · Accepted Answer

Prevalence refers to the proportion of a population that has a disease or condition at a specific time, while incidence refers to the number of new cases of a disease in a population over a specific period of time. Specificity refers to the ability of a test to correctly identify those without a disease or condition, while selectivity refers to the ability of a test to correctly identify only those with a disease or condition.

_____ Refers to the Fraction or Proportion of a Group