<prompt> Specificity of a screening test measuresFalse positivesTrue positivesFalse negativesTrue negatives  <response>: Specificity in the above image dbdx100 Specificity is defined as the ability of a test to identify correctly those who do not have the disease, that is, true-negatives. Ref: 25th edition, Parks Textbook of Preventive and Social Medicine, Page no. 152 