You can find many misunderstandings about polygraph tests. Let's examine some background about the polygraph exam and testing process. POLYGRAPH BACKGROUND INFORMATION The term "polygraph" essentially means "many writings." This relates to the fact that, for the duration of an examination, specific physiological reactions to a series of questions are recorded by the examiner. These answers correspond to the psychology of the examinee. Activities that are recorded are: respiration, electrical (sweat gland) activity, cardiovascular, and finger blood volume. All of these readings go up and down as the examinee is placed "under stress" as he or she reacts to the questions. Cross correlation of these measurements statistically evaluate whether the subject is lying or speaking the truth. Polygraph exams are used by many sectors of society. Corporations, counselors, and employers use lie detectors to authenticate statements made by the examinee regarding various kinds of issues such as: criminal activities, illegal drug use, addictions, sexual offenses, employee fraud, and even infidelity. In fact, more and more individuals are using polygraphs to see if their spouse is (or has been) faithful . especially in potential divorce situations. Law firms use polygraph results to ensure the veracity of their clients as well as potential witnesses in all kinds of legal circumstances. Lies and falsities can be revealed and confronted and often will lead to plea bargains or dismissal of civil lawsuits. Some courts also require that criminal parolees and offenders undergo periodic polygraph exams as part of their probation - this is done to verify that the criminal offender is now operating on the "straight and narrow" and has left his illegal tendencies and activities behind. The local police, the military branches of the United States, and other government agencies (such as the FBI, CIA, NSA, Dept, of Defense) all use polygraph exams to screen job applicants and perform criminal investigations. With terrorism at an all-time high, polygraph tests are used to delve into matters of national security involving foreign nationals and possible suspicious activities. A typical polygraph exam contains: 1) the pre-test, 2) the chart collection phase referred to as the in-test, and 3) the data analysis phase. In the pre-test, the polygraph examiner provides an introduction to the polygraph instrument and completes the vital documentation. The examiner also goes over why the examinee is receiving the polygraph, the questions that will be covered, and familiarizes the examinee with the testing process. Throughout the in-test phase, the polygraph examiner, using the polygraph device (aka polygraph machine), records the various physiological charts as the examinee undergoes a number of questions. Afterward, the examiner analyzes the physiological info and renders a report regarding the veracity of the examinee. This report is an opinion based upon the data received and the knowledge and experience of the examiner. ARE POLYGRAPH RESULTS ADMISSABLE IN COURT? Arizona, Florida, Nevada, and California allow polygraph results in court if all parties agree ahead of time that such results will be admissible. Conversely, New York, Texas, Illinois, Pennsylvania and the District of Columbia completely rule out polygraph findings even if all parties wish to admit the results in court. In Massachusetts, lie-detector results can't be entered into evidence but they can be used by the respective authorities to obtain a search warrant. Florida requires sex offenders to have recurring polygraph examinations, but the test results are used purely for rehabilitation and treatment needs and cannot be admitted in courts as evidence against the offender. The minimum age for a polygraph test is 13 or older. Learn more about polygraph exams here: Arizona Polygraph Exam
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This articles provides background information about polygraph exams (aka lie-detector tests) and how they are used in various situations and environments.
Laurie Peschke is the owner of Truth Lab AZ, a polygraph testing firm located in Arizona. Truth Lab serves Phoenix as well as the following cities: Mesa, Scottsdale, Cave Creek, Carefree, Chandler, Peoria, Glendale, Surprise, Buckeye, Sun City, Flagstaff, Prescott, Sedona, Jerome, Kingman, Bullhead City, Wickenburg, Lake Havasu, Globe, Tucson, Tombstone, Bisbee, Douglas, Willcox, Sierra Vista, Casa Grande, Eloy, Dewey, Holbrook, Winslow, Page, Williams, Kayenta, Yuma, Blythe, Laughlin, Needles. To schedule a polygraph, please visit: Arizona Polygraph
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