According to George Maschke and Gino Scalabrini, authors of The Lie Behind the Lie Detector, there are four ways to beat the test: Change your heart rate , breathing rate, blood pressure and sweat level while answering control questions. Think scary, upsetting thoughts throughout the whole test, but appear calm and in control.
Quicken your breathing during control questions, but breathe again normally before answering the next question. Calm yourself before answering by imagining anything you find relaxing. Do not explain answers, give details, or offer explanations.
Lie in response to control questions, but also bite your tongue hard while doing so, which will set off other physiological reactions in the body. Log In. People often feel nervous when taking a lie detector test. What do you think?
Are polygraph machines reliable? Is there a better way to tell when someone is being honest? Maybe you can come up with a better lie detector! Still, try to remember that honestly is typically the best choice. Want to know the best, most foolproof way to beat a lie detector? Tell the truth! Yes, it's that simple. Just tell the truth. Sounds like it's time for a Wonder Journey--let us know what you learn. Hi, Wonder Friend! Thanks for sharing your story! We're sorry it brought back bad memories!
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Great question, Wonder Friend Brielle! Lie detectors measure lots of things, but many scientists believe the polygraph is not a fool-proof tool to use when questioning someone. The test does not matter what is said, but rather how the person speaking reacts.
We hope Wonderopolis is making you feel better today, Michael! Thanks for visiting us even though you're at home today! Honesty is the best policy Thanks for telling us about the details of taking the lie detector! We are so interested to hear about it! Thanks for sharing your comment! That's spectacular, thanks Ally! We Wonder what your favorite part of our lie detecting Wonder was?
We sure hope that you'll be honest if you ever have to take a lie detector test, but it's cool to learn about how the device works!!
Thanks for stopping by Wonderopolis today! Howdy, H. We are so glad you found our lie detector Wonder interesting! Sometimes technology can be confusing, especially if you haven't had the opportunity to use it yourself! We hope you have had fun learning about this particular technology and what it is used for-- take a look at the rest of the Wonder when you have some time!
We certainly agree with your advice, Grace! Honesty is the best policy and telling the truth is the right thing to do. Thanks for commenting! We are sorry that you cannot enjoy the Wonder video, Carley, but perhaps trying to watch it on YouTube will help.
We are sorry to hear that you could not enjoy our lie detector Wonder video, Carley. You might want to check with your teacher or librarian to see about getting the block removed!
We Wonder if you have been doing more research on your own? We LOVE your suggestion of the desk and bring lamp to suggest an interrogation-- sometimes lie detectors are used as a part of questioning. We are so glad to have great Wonder Friends like you! We are undergoing some spring clearing site maintenance and need to temporarily disable the commenting feature. Thanks for your patience.
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Wonder What's Next? Watch out! Try It Out Want to know the best, most foolproof way to beat a lie detector? Most kids learn from an early age that lying is not a good habit to develop. Lying prevents people from trusting you and becomes a barrier to meaningful friendships.
Instead of lying, work hard to develop the habit of telling the truth. And you can get started right now! Grab a pencil and paper and make a list. Think of a person who means a lot to you. It could be a teacher, a friend or a family member. Then make a list of ten true statements about that person.
These things should be statements that describe or demonstrate why the person is important to you. When you're finished, share your list with your chosen person! Do you think results from polygraph machines should be trusted? Imagine a friend or family member is trying to decide how reliable these machines are. Write a letter or email persuading them to agree with your opinion. Polygraph examinations are interrogations and it is all too common for innocent people to fail them for no reason, resulting in the denial of employment or false criminal accusations.
Fortunately, they are easy to trick, so follow these steps to take control of your interrogation. Remember to tell the truth. Support wikiHow by unlocking this staff-researched answer.
If you need to cheat a polygraph or lie detector test, make sure to only respond to questions with "yes" or "no," so you don't reveal any details.
When you're asked relevant questions, slow your breathing to 15 to 30 breaths each minute, without breathing too deeply, and answer them firmly, seriously, and without hesitation. Keep in mind that the interviewer will also ask you control questions, which aren't relevant but will help the polygraph measure your physical response when telling the truth.
During control questions, vary your breathing rate by speeding it up, slowing it down, or holding your breath for a few seconds. As a result, the lie detector won't be able to tell which questions you're genuinely reacting to, since you'll be reacting to all of them.
For more tips, like how to recognize the different question types you'll be asked during a polygraph test, keep reading. Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers. Please log in with your username or email to continue. No account yet? Create an account. Edit this Article. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow.
Download Article Explore this Article methods. Tips and Warnings. Related Articles. Article Summary. Method 1. Say only what you need to. Resist the temptation to explain your answers or to go into details, although the polygrapher may try to get you to do so.
Be courteous and cooperative, but do not offer any more information than is absolutely necessary. No matter what the lines on the chart look like, nothing is more certain or damaging than your confession. Remember that the job of polygraphers is to extract confessions. In many ways, the whole examination is a complex ruse to trick you into confessing something.
Answer questions firmly, seriously, and without hesitation. This is no time to joke around or try to be crafty. You want to appear earnest, cooperative and resolute. Breathe normally. Except during control questions, you should try to maintain a breathing rate of breaths per minute. Do not breathe too deeply. Alter breathing rate with control questions.
If the deviation from normal during control questions exceeds the deviation from normal during relevant questions, you will pass. If you react more to a relevant question than to control questions, the polygrapher will perceive rightly or wrongly that you are lying in response to something relevant and you will likely fail the polygraph.
Change your breathing pattern when a control question is asked. You can make it faster or slower, hold your breath for a couple seconds after an exhalation, or breathe more shallowly. Do this for seconds and return to your normal breathing pattern before the next question.
Answer control questions strangely. For instance, if you're asked what year it is, you might respond with, "the year of the snake" or such an answer. Your goal is to make it difficult for the tester to get a bead on what a "normal" response is for you. Think of something mentally stressful when answering a control question.
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