NBC Evening News for Wednesday, Jun 21, 1978
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(Studio) The second in a series of reports on lie detector machines introduced.
REPORTER: David Brinkley
(No location given) The process of “lie detection” explained; details given of courts' refusal to allow lie detector tests as evidence and the practice of some companies of accepting them to screen employees. Questions concerning polygraph operators’ experience noted. [Chicago-based polygraph firm head John E. REID – notes his company claims above 90% accuracy; says polygraph opertators don’t have a background in psychology & don’t need one.] [Psychologist, Dr. David LYKKEN – states evidence that a truthful person has a 50-50 chance of failing; discusses workers’ attitudes toward the tests; comments on polygraph operators' limited knowledge of psychology.] The Coors Brewery workers’ strike in Golden, Colorado, protests about required polygraph tests and Senator Birch Bayh’s sponsorship of a bill to ban the use of lie detector tests by private businesses related. [BAYH – notes court refusal to admit polygraph information as evidence.] [REID – responds to question of whether a company should rely solely on polygraph tests about workers.] The outlook for polygraph ban in Congress and degrees of restriction in some states on company use of lie detector tests noted.
REPORTER: Paul Altmeyer (KOA-TV newstape, Denver)