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 may be affected by the quality of the questions.

How should questions be formulated?

The questions have to be answered with YES/ NO, and they have to 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 polygraphs in Spain?

The evidence is voluntary and can therefore be proposed by the Security Forces and Corps, by the Honourable Member or even by the person 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, skin conductance and skin reactance while the examinee is asked questions.

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 physiological responses of the examinee.

Who conducts polygraph tests?

Polygraph tests are conducted by certified and trained polygraph examiners.

What qualifications should a polygraph examiner have?

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

Is any training necessary to become a polygraph examiner?

Yes, it is necessary to complete specific training at a recognised 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 asked, 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 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 non-invasive, 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 ask for a
review of the results.

How are the results of a polygraph test interpreted?

The examiner analyses 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 in a trial varies according to the jurisdiction and the circumstances of the case. In Spain, the test, like all tests, depends on Your Honour for it to be accepted. It is usually incorporated, as one more 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 between €300 and €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 substances that may alter the results, understand the test 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 before the test so that he/she can take the necessary precautions and evaluate whether the test is
appropriate.

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

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

Are there any legal regulations on the use of polygraph tests in my country?

The polygraph test is accepted, it is at the discretion of the Honourable Member.

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

More information on polygraph testing and its applications can be obtained from professional polygraph organisations, accredited polygraph schools and dedicated online resources.