Which of the following characteristics is not of much impoance in a screening test -
Ans. is 'd' i.e., High specificity o All are impoant attributes of screening test but among them high specificity is less impoant as Park states -"Screening test is not intended to be a diagnostic test. It is only an initial examination. Those who are found to have positive test results are referred to a physician for fuher diagnostic work-up & treatment. High specificity is a necessary attribute for a diagnostic test. Criteria for Screening test Screening test must satisfy the criteria of Acceptability Safety Repeatability Rapidity Validity Ease of administration Simplicity Low cost
Low cost
High safety margin
High sensitivity
High specificity