Lie detectors are widely used in the United States to find out whether a person is telling the truth or not. 61) Polygraphers, the people who operate them, claim that they can establish guilt b v detecting physiological changes that accompany emotional stress. The technique adopted is to ask leading questions such as: "Did you take the money" or "Where did you hide the money", mixed in with neutral questions, and measure the subject’s electrical resistance in the palm or changes in his breathing and heart rate.
Whether lie detectors will ever be adopted on a similar scale in Britain is still a matter of opinion. 62) At first sight, it appears obvious that any simple, reliable method of convicting guilty people is valuable, but recent research not only raises doubts about how lie detectors should be used but also makes it questionable whether they should be employed at all.
63) The point is that, apart from many of the pol
Lie detectors are widely used in the United States to find out whether a person is telling the truth or not. 61) Polygraphers, the people who operate them, claim that they can establish guilt b v detecting physiological changes that accompany emotional stress. The technique adopted is to ask leading questions such as: "Did you take the money" or "Where did you hide the money", mixed in with neutral questions, and measure the subject’s electrical resistance in the palm or changes in his breathing and heart rate.
Whether lie detectors will ever be adopted on a similar scale in Britain is still a matter of opinion. 62) At first sight, it appears obvious that any simple, reliable method of convicting guilty people is valuable, but recent research not only raises doubts about how lie detectors should be used but also makes it questionable whether they should be employed at all.
63) The point is that, apart from many of the pol
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