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How can it be that both Yehuda Nahari and Asi Ezer came out telling the truth in a polygraph? | Israel today

2022-01-10T10:45:32.319Z

Publication of the results of the facilitator's polygraph test, about a week after the player who complained was found to be truthful in the test on the same device, returns the discussion on the effectiveness of this controversial tool • "There is no polygraph law in Israel, anyone can be tested" Many "



Today (Monday) a polygraph examination of the presenter Asi Ezer was published, which was alleged against him for sexually harassing the actor Yehuda Nahari about ten years ago during an audition at the presenter's home.

In a test whose results were released today, it was found that a truth-teller helped.

On the other hand, it will be recalled that the actor Yehuda Nahari himself underwent a polygraph examination at the initiative of the Walla website, where the interview with him was published, and was also found to be telling the truth.

• The writing was on the wall: My story with Asi Ezer

The conflicting results raise many questions about the reliability of the device.

Wondering and raising the question What's going on here?

Are polygraph tests reliable, or do the questions asked have a lot of weight in the quality of the results, as the Walla website claimed after the publication of Ezer's polygraph results?

We turned to experts in the field with all the burning questions.

"The human factor influences the results"

Danny Gimshi, a retired criminologist and deputy superintendent who is currently a professor and head of the Criminology and Law Enforcement Division at the College of Management and former head of the Community Policing Unit and director general of the Public Council for the Prevention of Crime in Israel, explains that a polygraph test is significant and the human factor.

"It is known that there are people who can mislead the device."

Asi Ezer is found to be telling the truth in a polygraph, Photo: Daniel Kaminsky

"You have to understand that there are several test methods and several types of questions and they are different from each other. Therefore, you need to find out what the test method was in the two devices, who tested and who decoded.

"Beyond that, the human factor in the polygraph, ie - the questioner, the inquiring psychologist, is very, very important," Gimshi explains a common reason for biases in the various tests. "Sometimes the wrong atmosphere in the room, the inexperience of the psychologist or environmental conditions in the test can lead to other results. So I am not in a hurry to get positive or negative results without finding out who conducted the test, what he asked, what was the agenda and more and more relevant questions.

"Beyond that, it is known that there are people who can deceive the device, some of the psychic contestants for example will pass a test successfully without being found to be lying at all."

Beyond these things Professor Gimshi says that it is necessary to find out well what the examining institute did exactly.

"There is a big difference between a check that the police do even by an external institute or a check by GSS personnel, from a check that is for economic gain.

This gap is significant and can often affect the results.

Therefore, it is important to know who checked and what he checked, whether the inspection of the two respondents was done in the same way and also what the interests are around, "he concludes.

"There is a big difference between a check that the police do even by an outside institute or a check by GSS personnel, from a check that is for economic gain"

"Need a person with a lot of experience who knows what to ask"

Shlomo Brock, former head of the polygraph unit and former president of the polygraph field in Israel who currently runs S. Brock Polygraph Ltd., explains that as with ECG tests of the heart, there are many variables to test so sometimes due to different variables there may seem to be a situation. Truth-tellers are asked though oil probably can not be the real situation.

"It must be explained that a polygraph examination requires a great deal of experience. Unfortunately, there is no polygraph law in the country, so it turns out that anyone can be examined. This reality is a very large opening for mistakes and incorrect interpretations.

"Sometimes there are errors in the interpretation of the flow charts and sometimes it is because of an inexperienced examiner, but, and it must be said, even if the examiner is experienced and even if the interpretation of the flow charts is correct there can still be an error due to the nature of the questions answered. "Many ECG tests also often have different interpretations, but here there is another element of the questions themselves, which only intensifies the difficulties," he says.

"Polygraph is not legal evidence"

Deputy Superintendent Ephraim Ehrlich also lowers the flames and explains that "a polygraph is not a legal vision - and not by chance. A polygraph can talk about moods, about general direction, but I do not think he can find out a really gray situation."

Ehrlich adds that the fact that Assi admits that there was a kiss between them, compared to Nahari's testimony about sexual harassment but without a kiss, may also skew the results.

"In that case, it's harder to come to an absolute truth with this device."

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Source: israelhayom

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