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were unexpected conclusion - a test of the more higher level of education play a role. May also be why, in each of the lie detector test object, we need to tell people the principles of the instrument, let him understand what features of the instrument, how it is, and then start the test,Harbin is UFO night about the whole process of the photographer (Figure ), since he did not understand the principle of this instrument, test out the effect is not ideal. murder, President should be asked to find out exactly what the police, has aroused suspicion of the police, but could not conclude that very fact is the killing of her husband's murderer.
Except for measuring the truth lies
psychological tests conducted since then the results also showed that - although not directly measured by Wang Qiang, the crime of telling the truth, but he could not rule out the suspect in that case. Get the results, Wang Qiang, was nearly as suspect. Jin Dengwei until his sentence to be reconsidered. is impossible to say so,muska supra, and can not be interested in the World Cup - because his heart had more fear, and stress.

■ polygraph does not reflect the lies, but test the truth

Sichuan polygraph update history


Photography Post reporter Xiao Shu Yun Hua Xiaofeng



start a lie detector, the object sitting in a chair with armrests (which can make users mental relaxation), the face of white walls (which can make the subjects elimination of the distractions), the complete set of equipment worn on his chest, abdomen, arms, fingers and other four sites (detected on the body, respectively). Examiners, sat the object side of the observations from the computer.
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he is not a murderer? Did he lie? Through a special set of questions and answers, the polygraph can be your body's reaction to find out. What this means, how to work the machine in the end? Yesterday, the Provincial Public Security Criminal Technology Division Chief, Jin Dengwei pan one by one for journalists to explain its mysteries. However, in these stories lie detector, the most impress you might not be that expensive machine, but with experience of police officers trained in psychological Running out of capacity - and sometimes, his psychological analysis, more accurate than the machine,mbt masai shoes!



few days later, Meishan, a special police Danghuo goods vehicle theft gang, and that the company's computer was stolen by this gang is. At this point,mbt retailers 41岁男子用牙齿咬起近百斤木凳, we came to the understanding, Wang actually did was to prevent managers are suspected of lying.
■ Polygraph results not as evidence in the case, but supporting



polygraph not sure when I have the final say
ready, the polygraph examiner asked: is If the object is written,mbt shoes store, 3, and 3 every time he asked, the curve will be increased. It is useful to note polygraph, but if he is the response of each figure are the same height of the curve are the same, then prove that this person does not respond to the instrument.

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culture, the higher the better identification
,charles jordan shoes, polygraph tests are not 100% accurate, it is necessary to rely on comprehensive analysis of police.

then 2 times the test results are also consistent with this, so Jin Dengwei found: Although not sure whether she was killed, but at least prove that very fact is very suspect. With the test results, with detection of the direction of police investigators in the trial increased the intensity, the very fact that in just a few hours later, I honestly confessed: she and her lover conspired to cheat her husband out of their strangled in the car, and then postmortem roadside.


■ The more educated people, lie the more easily measured out

Therefore, even if the liar is difficult to escape the polygraph intentionally concealed the palm. Polygraph can not directly solve the case, but it can provide real answers to handling units of the direction of the imposition of psychological pressure on the test - let him explain earlier.

standard polygraph machine really so? Jindeng Wei's no doubt from the truth. Person's mouth can lie, but the body does not lie. Not only a new generation of polygraphs to make judgments from the heart how fast it can from several parts of the upper and lower body movements to make comprehensive judgments, these areas include the hip action, blood volume, skin and other fingers the ########## eye can not detect part.


Provincial Public Security Bureau Criminal Technology Division pan Chief Jindeng Wei is the first batch of examiners, the province since 1999, the introduction of polygraph technology in Sichuan, he began with the psychological liar Running out of history.


s test function machine 1999 first PG7 psychological test instrument through multi-channel breathing,sale on tory burch flats, your fingers touch the skin of power, blood pressure testing equipment in 2002 the first generation of the second generation increased action on the basis of the determination to master the hip, foot movements to increase in 2003 third-generation video equipment, examiners,儿子要钱不成一拳打死父亲被判7年, the object can be observed through the monitor subtle facial expressions in the 2006 fourth-generation instruments Determination of blood volume increase
Starsky polygraph experts, forensic experts, Jin Dengwei Detailed Provincial Public Security Code

first to object to do quite particular - need to do a little test, so that any object to write a number, then asked him to write is not the number. If the person on the issues raised by examiners, respond in order to do lie detector tests, which do first if skin test prior to injection. Let us also to
■ polygraph subjects who do not understand the principle, the result is not satisfactory

98% accuracy the details of the body will betray you



So Jindeng Wei Ning Huijun and partner psychological test instrument carrying singled out this woman came to the scene. First, the very fact that the personal circumstances of the case and a certain understanding, Jin Dengwei start the test.
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2008, the Meishan manager of a company car on company laptops stolen containing information on the company's internal and customer information, are secret documents, valuable. Survey, the manager reflects a clue to the police: a man named Wang Qiang had his men (a pseudonym) of the employee money to help him buy a computer, which also by the staff of the paper back to the new computer. Wang Qiang, also specifically requested not let other people know. Is the employee stole a computer reselling company secrets - he was very suspicious.
■ polygraph is not always right!
It can be seen, the polygraph is in fact not a response to the lies, but rather a response to the truth. The polygraph also many ways according to this Q & A - the examiners, to your question, you answer.
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11 years, he traveled with the whole apparatus of Sichuan, do not remember how many pieces of the case, measuring the number of individuals, just remember that the test results are accurate 98%.