WRITING A SUMMARY
There are a few ways in which the lie detector can be used. Firstly, this machine can be used without a subject's knowledge has been introduced in Britain. The Dektor psychological stress analyzer (PSE) is used by private industry for pre-employment screening,investigating thefts, and even periodic staff checks. Besides, in the US,the device is used for pre-employment interviews with questions such as 'Have you used marihuana? and for monthly checks with branch managers, asking questions like 'Do you suspect any present employees of cheating the company? that is prevent a manager from setting his own pace to investigate possibly suspicious behavior. Next, it also can be used to probe a whole range of personal issues totally unrelated to job , and then the PSE can be used without the subject even knowing, its inventors analysed the televised Watergate hearings and told the press who they thought was lying. Other than that, there are few objections found in this machine. First of all, one of the other two units was being employed by a private firm for pre-employment checks. It also possible to pick out a word or phrase that caused stress. Lastly, its a primary application will be in situations where people may not object such as pre-employment interviews.
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