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Politics : Did Slick Boink Monica?

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To: Grainne who wrote (14959)5/5/1998 2:55:00 AM
From: Jack Clarke  Read Replies (2) of 20981
 
Christine,

the Zercher woman, the flight attendant from the
campaign, appeared on Inside Edition, agreed to take a lie detector test, administered
by a highly credentialed examiner, and apparently failed it. He said the probability she
was telling the truth was only 1%.


Although I am no expert, what I do see in the scientific and lay literature suggests that the "lie detector" or polygraph test is much too unreliable to be of any practical use.

washingtonpost.com

The test is not admissible in court, as I understand it. The problem is that those who are not scientifically trained (ready to criticize some official-looking result) tend to accept it as scientific evidence, like the very reproduceable blood alcohol level or DNA typing. Even the pro-lie detector folks admit that it is only 80-90 percent accurate. In a country which has guilt for executing an infinitely small number of erroneously convicted murderers, it's hard to see how such an inaccurate example of pseudoscience as the lie detector can be considered valuable, either in industry or the courts.

Jack
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