As we note at the beginning of this chapter, polygraph testing and interviewing are used for three main purposes: event-specific investigation, employee screening, and preemployment (or preclearance) screening. These different purposes are reflected in different kinds of questions that are asked in polygraph tests.
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Read chapter 7 Uses of Polygraph Tests: The polygraph, often portrayed as a magic mind-reading machine, is still controversial among experts, who continue.
They are valuable instruments used to detect truthfulness and deceitful behavior in several fields. The crime investigation departments, national security ...
These tests are designed to assess truthfulness and deception in situations that range from screening job applicants to investigations of specific criminal ...
Mar 7, 2024 · Polygraph Testing for Qualified Employees · Partner-Related Domestic Problems · Private Investigations · Fraud and Theft Cases · Testing for Sexual ...
Purpose of Polygraph Technique Polygraph examination is generally used as an investigative aid/technical aid in the investigative process. It is used to: a.
1. Pneumograph- records changes in respiration. 2. Electrodermal Activity (Galvanograph)- records changes in the electrical resistance or conductance of the ...
In some countries, polygraphs are used as an interrogation tool with criminal suspects or candidates for sensitive public or private sector employment.
The polygraph examination is composed of a number of procedures; the examiner must become familiar with the facts of the case, conduct a pretest interview, ...