If specificity of test increases ?: (A) Low false negative, (B) Low true negative, (C) More false positive, (D) More false negative
Answer is D. Ans. is 'd' i.e., More false negative High sensitivity gives large no. of false positives High specificity gives large no. of false negatives. Remember If a population has more false positive cases :? Screening test is more sensitive Positive predictive value of the test is low Prevalence of disease is low If a poulation has more false negative cases Screenign test is more specific Negative predictive value of the test is low