1147 CDC Confirms: Antibody tests yield false positives HALF the time (streamable.com) posted 267 days ago by instant_covfefe 267 days ago by instant_covfefe +1147 / -0 36 comments share 36 comments share save hide report block hide child comments Comments (36) sorted by: top new old worst You're viewing a single comment thread. View all comments, or full comment thread. ▲ 5 ▼ – MAGAstroni 5 points 267 days ago +5 / -0 In order to know how good the test is then we need to know the prevalence if the disease, to know the prevalence we need a good test. Circular logic is no basis for healthcare or government policy. permalink save report block reply ▲ 8 ▼ – Libertysheimdall1 8 points 267 days ago +8 / -0 Welcome to the challenges of Bayesian probabilities. permalink parent save report block reply ▲ 3 ▼ – Udabin 3 points 267 days ago +3 / -0 Finally someone gets the right answer! Base Rates Matter permalink parent save report block reply
In order to know how good the test is then we need to know the prevalence if the disease, to know the prevalence we need a good test. Circular logic is no basis for healthcare or government policy.
Welcome to the challenges of Bayesian probabilities.
Finally someone gets the right answer! Base Rates Matter