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the specificity of the combined four tests. Basically, they multiply the four test specificities together, which is not what would happen in real life. Here’s what I mean….”Campbell can’t let this go on. It’s way too much. “Dr. Tanner, I don’t think we can go there. I think we’re going to have to settle for your expert opinion about the formula.”
Tanner seems almost insulted that he was cut off. “Well… my expert opinion is that the formula is wrong and produces an accuracy that cannot be substantiated in either the math or in the real world.”
Campbell hates to do it, because he knows Tanner has a very good point. But there is no way he is going to risk losing the jury in a bunch of numbers and getting them sidetracked on some complicated technical issues, when the most critical and simple point of all is just waiting to be heard: they