A 25-year-old female presents for a well checkup. As part of her workup a rapid test is run for the presence of Human papillomavirus (HPV). When positive, the diagnostic test is known to be correct 80 of the time (80 out of 100 women with a positive test have HPV) and when negative the test is 90% correct (180 out of 200 women with a negative test do not have HPV). 5. What is the sensitivity of the new screening test? 6. What is the specicity of the new screening test? The screening test was recently reevaluated in several separate trials in three populations of young females with known HPV infection. The data are shown in the Table. - 7. How would you interpret the ndings of these three trials in terms of validity and reliability