How many questions can be asked?

The recommended range is between 3 and 6 questions, to ensure maximum reliability of the test.

How long does a polygraph test take on average?

A polygraph test lasts on average between 60 and 120 minutes, depending on the complexity of the case and the number of questions.

How reliable is the polygraph test?

Polygraph tests have an estimated accuracy of 99%, but their accuracy can be affected by the quality of the questions.

How should the questions be formulated?

The questions must be answered with YES/ NO, and must be specific, spatially and temporally. You can bring your questions, and we will help you shape them for maximum reliability.

Do State Security Forces and Corps use polygraph in Spain?

The test is voluntary, so it can be proposed by the Security Forces and Corps, as well as by Your Honor or even by the subject under investigation.

What is a polygraph test?

A polygraph test is a test that measures the body’s physiological responses to determine whether or not someone is being honest in answering specific questions.

How does a polygraph work?

A polygraph works by measuring variations in blood pressure, heart rate, respiration, and skin conductance and reactance while questions are asked of the examinee.

What are the main components of a polygraph?

The main components of a polygraph include sensors to measure blood pressure, heart rate, respiration and skin conductance.

What types of questions are asked during a polygraph test?

During a polygraph test, control questions, relevant questions and irrelevant questions are asked to assess the examinee’s physiological responses.

Who performs the polygraph tests?

Polygraph tests are conducted by certified and trained polygraph examiners.

What qualifications should a polygraph examiner have?

A polygraph examiner must have a recognized certification, specific training in the use of the polygraph and experience in conducting examinations.

Is it necessary to have any training to become a polygraph examiner?

Yes, it is necessary to complete specific training at a recognized polygraph school and obtain certification to become a polygraph examiner.

When are polygraph tests used?

Polygraph tests are used in criminal investigations, pre-employment evaluations, internal investigations and in personal situations where the truthfulness of statements needs to be verified.

Is it possible to fool a polygraph?

Although it is difficult to fool a polygrapher, it is not impossible.
Some techniques can help alter physiological responses, but an experienced examiner can detect attempts at deception.

What factors can affect the accuracy of a polygraph test?

The accuracy of a polygraph test can be affected by factors such as the skill of the examiner, the condition of the examinee, the type of questions, and the presence of drugs or substances in the examinee’s system.

What if someone disagrees with the results of a polygraph test?

If someone disagrees with the results, they can request a review of the data by another certified examiner or take another test with a different examiner.

What is the procedure prior to the polygraph test?

Prior to the test, the examiner informs the examinee about the process, obtains his or her consent, and conducts an interview to gather relevant information and establish a set of questions.

What types of questions are prohibited in a polygraph test?

Prohibited questions vary by jurisdiction, but generally include those that violate privacy, discriminatory questions, or those unrelated to the purpose of the test.

Can someone refuse to take a polygraph test?

Yes, a person can refuse to take a polygraph test, but the consequences of refusal depend on the context in which the test is requested.

Are there any risks or side effects associated with polygraph testing?

Polygraph tests are generally safe and noninvasive, but may cause anxiety or stress in some people.

What rights does a person have during a polygraph test?

A person’s rights during a polygraph test include the right to be informed about the process, to give consent, to stop the test at any time, and, in some cases, to request a
review of the results.

How are the results of a polygraph test interpreted?

The examiner analyzes the physiological responses recorded during the test with the help of the polygraph software, which has a complicated system of algorithms to determine whether there are indications of deception or sincerity in the answers to the relevant questions.

Can the results of a polygraph test be used as evidence in a trial?

The admissibility of polygraph results as evidence at trial varies by jurisdiction and the circumstances of the case. In Spain, the test, like all tests, depends on Your Honor for acceptance. It is usually incorporated, as another piece of evidence within a Psychological Expert Report, as objective proof of the creativity of the testimony.

What is the average cost of a polygraph test?

The average cost of a polygraph test varies depending on the location and complexity of the case, but generally ranges from €300 to €1000.

Can I request a polygraph test for personal use?

Yes, you can request a polygraph test for personal use, although it is important to be aware of the limitations and accuracy of the test.

What are the alternatives to polygraph tests?

There are other lie detection techniques such as body language analysis, voice evaluation and facial expression analysis, although none of them are infallible.

What are the differences between a polygraph and a lie detector?

A polygraph is an instrument used to conduct lie detection tests, while a lie detector is a generic term that can refer to different techniques or devices used to determine whether someone is being honest or not, including the polygraph.

What should be considered when selecting a polygraph examiner?

When selecting a polygraph examiner, consider his or her
experience, certification, reputation, cost and communication skills.

How can I prepare for a polygraph test?

To prepare, make sure you are well rested, avoid consuming substances that may alter the results, understand the testing process and arrive with a cooperative attitude.

What if someone has a medical or psychological condition that could affect polygraph results?

If someone has a medical or psychological condition that could affect the results, it is important to inform the examiner prior to the test so that he or she can take the necessary precautions and assess whether the test is
appropriate.

Can polygraph tests be used in cases of gender-based violence, sexual abuse, workplace harassment or discrimination?

Of course, it is a test of veracity of testimony, it is used as a complement of authenticity in pleadings, especially when there is no evidence other than the statements themselves.

Is there any legal regulation on the use of polygraph tests in my country?

The polygraph test is accepted, it is at Your Honor’s discretion.

Where can I get more information about polygraph tests and their applications?

You can learn more about polygraph testing and its applications through professional polygraph organizations, accredited polygraph schools and online resources dedicated to the subject.