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Pathological Liar Test

A confidential, non-judgmental screener for compulsive and frequent lying patterns: how often, how automatic, how distressing, and what it costs you. Get an instant, plain-language result and a professional PDF report. This is a starting point for understanding, not a label or a verdict on who you are.

MC Medically reviewed by Michael Callans, MSW ·Last reviewed June 27, 2026·~5 min
Answers never leave your device Educational screener (not a formal diagnosis) Downloadable PDF report

What compulsive lying looks like, in four lenses

Everyone bends the truth sometimes. What sets compulsive lying apart is the frequency, the sense that it happens almost on its own, the distress it causes you, and the toll it takes on your life. This screener looks at all four.

Frequency and automaticity

How often you lie and whether it happens almost reflexively, even when the truth would do just fine. Automaticity is the hallmark of compulsive lying.

Distress and shame

Whether the lying troubles you, leaves you feeling out of control, or fills you with shame afterward. Distress is often what brings people to look this up.

Consequences

The impact on trust, relationships, work, and your sense of self. Lying that costs you something it is hard to stop is worth understanding.

FeatureTypical free quizPsychology.com
Looks at the pattern, not just the actNoYes (frequency, automaticity, distress, cost)
Non-judgmental, compassionate framingOften shamingYes, throughout
Explains links to anxiety, shame, and other conditionsNoYes
Clear that this is not a DSM diagnosisRarelyYes, stated plainly
Practical, hopeful next stepsGenericYes, specific and workable
Downloadable PDF reportNoYes, branded & shareable
Confidential (no data sent)Often trackedRuns in your browser

Methodology & sources

There is no single validated questionnaire for pathological lying, so this is an honest educational screener rather than a clinical instrument. Its items are built around the features that researchers describe when they write about compulsive lying and pseudologia fantastica, including frequency, the seemingly automatic or compulsive quality of the lies, distress, and the consequences for relationships and self. The framing draws on Dike, Baranoski, and Griffith's review of pathological lying (2005) and related clinical literature.

Pathological lying, sometimes called compulsive lying or pseudologia fantastica, is not a formal stand-alone diagnosis in the DSM-5-TR. Frequent lying can appear on its own and can also accompany anxiety, shame, low self-esteem, trauma histories, or certain personality patterns. We treat it as a workable pattern, not a defect of character, and we report your result as a pattern band rather than a label.

  1. Dike CC, Baranoski M, Griffith EEH. Pathological lying revisited. J Am Acad Psychiatry Law. 2005;33(3):342–349.
  2. Curtis DA, Hart CL. Pathological lying: theoretical and empirical support for a diagnostic entity. Psychiatr Res Clin Pract. 2020;2(2):62–69.
  3. Hart CL, Curtis DA. Big Liars: What Psychological Science Tells Us About Lying and How You Can Avoid Being Duped. Washington, DC: American Psychological Association; 2023.
  4. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 5th ed., Text Revision. Washington, DC: APA; 2022.

Pathological Liar Test FAQ

What is a pathological liar?

Pathological lying, also called compulsive lying or pseudologia fantastica, describes a pattern of frequent lying that can feel automatic and is often out of proportion to any benefit. The lies may be elaborate and persist over time. It is a descriptive term used in clinical writing rather than a formal diagnosis on its own.

Is pathological lying a real diagnosis?

Not as a stand-alone condition. The DSM-5-TR does not list pathological lying as its own diagnosis, though it can appear as a feature of other conditions. Some researchers have argued it should be recognized in its own right. Either way, the pattern is real and it is workable.

Why do people lie compulsively?

There is rarely a single reason. Compulsive lying often grows out of anxiety, shame, low self-esteem, a need to feel accepted, or earlier experiences where honesty did not feel safe. It can also accompany other mental-health conditions. Understanding the why, without self-blame, is usually the first step toward change.

Is this test a diagnosis?

No. It is an educational screener for self-reflection only. It cannot diagnose any condition. If frequent lying is troubling you or affecting your relationships, a therapist can help you understand the pattern and change it.

Can compulsive lying be changed?

Yes. Because lying is a learned pattern, often serving a purpose like avoiding shame or rejection, it can be unlearned with support. Therapy that addresses the underlying anxiety, shame, or self-esteem tends to help, and many people make real progress.

Important: This pathological liar test is an educational screening tool, not a medical or psychological diagnosis. Pathological lying is not a formal stand-alone diagnosis, and this screener cannot diagnose any condition. If frequent lying is causing you distress or harming your relationships, consider talking with a licensed mental-health professional, who can help with compassion and without judgment. In an emergency, call your local emergency number or, in the US, call or text 988.