A polygraph (lie detector) test in Barcelona or Madrid, Spain, is a scientific method that measures physiological changes in the human body, such as blood pressure, heart rate and breathing, to determine whether the examinee is telling the truth. The method is widely used by law enforcement agencies, businesses and private individuals to investigate crimes, screen employees and resolve personal conflicts.
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It is important to note that a lie detector test does not provide absolute accuracy, but it can be a useful tool for gathering evidence and making informed decisions. If you are planning to take a lie detector test, you need to understand how it works and what its limitations are.
A polygraph (lie detector) test is carried out by a qualified expert who asks the person a series of questions, including both questions related to the investigation and irrelevant questions. The examiner may also ask the examinee to perform various tasks, such as breathing deeply or holding their breath.
While the examinee answers the questions and performs the tasks, the examiner monitors their physiological changes. If the physiological readings differ significantly when they answer questions on a particular topic, this may indicate that their answers are untruthful.
It is important to note that a polygraph test does not provide 100% accurate information (according to the American Polygraph Association meta-analysis, 2011, the accuracy is 85–89%). Various factors affect polygraph test results, such as the examinee’s stress level, their ability to control their body language and their familiarity with the process.
Are you abroad? The VerifEye online test is available — from 2,500 UAH (≈ €50) per test, with no office visit, or leave a request: we will help you choose a method or recommend a fellow polygraph examiner.
Cost of a polygraph test in Spain
A polygraph test in Spain costs from €130. The test will be conducted by a fellow polygraph examiner whom we recommend — they will name the exact price. The test itself takes 1.5 to 3 hours from the start to receiving the result.
Prices: the online VerifEye test — from 2,500 UAH (≈ €50) per test, from any country. We conduct classic polygraph and EyeDetect tests in person in Lviv — from 3,000 and from 5,500 UAH (≈ €110). A test abroad is done by a fellow polygraph examiner whom we recommend: roughly from €130, and they will name the exact price.
We’ll calculate the exact amount for your situation in 30 seconds — it depends on the number of people, the test topics and the city. See all prices.
Testing abroad
We conduct tests in person in Lviv. If you are abroad, there are two ways: the VerifEye online test — from 2,500 UAH (≈ €50) per test, from any country — or a fellow polygraph examiner whom we recommend: we have colleagues in Europe, proven by time and by client reviews.
VerifEye online test — from 2,500 UAH (≈ €50) per test, from any country
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