<prompt> Which of the following characteristics is not of much impoance in a screening test -Low costHigh safety marginHigh sensitivityHigh specificity  <response>: 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 