19 Free Personality Disorder Tests and Trait Screeners
19 free, research-based personality disorder tests and trait screeners. Each is reviewed by a clinician, scored in your browser, and gives you an instant plain-language result. No sign-up, and your answers never leave your device.
Reviewed by Michael Callans, MSW 
Some patterns in feelings, relationships, or behavior become difficult to understand when they keep repeating. This collection includes educational screeners for borderline, avoidant, dependent, and obsessive-compulsive personality concerns. It also includes separate reflections on narcissistic traits, Dark Triad traits, and other behavior patterns. Those tools do not all measure disorders. For example, the NPI-16-informed Narcissism Test looks at traits, while the BPD screen draws on MSI-BPD research and borderline criteria.
Choose the tool closest to a concern you want to describe, rather than taking the whole collection to find a label. Your history, circumstances, and the impact on daily life matter more than a single number. These self-assessments cannot diagnose you, identify another person as dangerous, or define your character. A result can help you prepare specific questions for a qualified professional, and a low score does not cancel an ongoing difficulty.
Start here
All 19 →Borderline Personality Disorder Test
If recurring emotional and relationship instability is your concern, the brief MSI-BPD-informed screen offers a focused starting point.
Start hereNarcissism Test
Healthy confidence, or something harder to live with?
Start the narcissism testPsychopathy Test
Informed by the validated LSRP, measuring primary and secondary psychopathic traits.
Take the testAll personality disorder and trait tests
Personality disorder screeners
Borderline Personality Disorder Test
Informed by the validated MSI-BPD, covering the nine DSM borderline criteria.
Avoidant Personality Disorder Test (AVPD)
An educational screener for avoidant personality traits, with a clear AVPD versus social anxiety guide.
OCPD Test (Obsessive-Compulsive Personality)
An educational screener for obsessive-compulsive personality traits, clearly distinguished from OCD.
Dependent Personality Disorder Test (DPD)
An educational screener for dependent personality traits, clearly distinguished from codependency.
Personality Disorder Test
Explore ten personality-pattern areas with a three-cluster breakdown and guidance toward care.
Schizotypal Personality Disorder Test
Explore cognitive-perceptual, interpersonal, and communication experiences without a disorder label.
Histrionic Personality Disorder Test
24 original questions on the DSM-5-TR histrionic pattern, with a three-part breakdown.
Schizoid Personality Disorder Test
24 original questions on the DSM-5-TR schizoid pattern, framed without pathologizing solitude.
Paranoid Personality Disorder Test
24 original questions on the DSM-5-TR paranoid pattern, with a breakdown by suspicion, grudges, and…
Trait and pattern reflections
Narcissism Test
Informed by the validated NPI-16. Measures everyday narcissistic traits, not a disorder.
Dark Triad Test
Informed by the Short Dark Triad (SD3). Narcissism, Machiavellianism, and psychopathy as traits.
Psychopathy Test
Informed by the validated LSRP, measuring primary and secondary psychopathic traits.
Sociopath Test (Antisocial Personality Disorder Screening)
A free educational screen for antisocial personality traits, based on the DSM ASPD criteria.
Pathological Liar Test
An educational screener for compulsive lying patterns, with a downloadable report.
Difficult Person Test
Seven interpersonal-friction patterns, with practical interpretations instead of a character label.
Covert Narcissist Test
Explore vulnerable narcissism-related patterns without turning a score into a label.
Machiavellianism Test
Adapted from Mach-IV research on strategic, transactional thinking, with a three-part breakdown.
Light Triad Test
The real, validated Light Triad Scale: your Kantianism, Humanism, and Faith in Humanity.
Dark Empath Test
See your dark traits alongside your cognitive empathy, and whether the two combine.
How to choose
| If you want to | Take | Why |
|---|---|---|
| You notice recurring emotional and relationship instability | Borderline Personality Disorder Test | This brief screen is informed by the MSI-BPD and cannot confirm a diagnosis. |
| You want to explore persistent avoidance in relationships | Avoidant Personality Disorder Test (AVPD) | Read the distinction between avoidant personality patterns and social anxiety. |
| You are concerned about rigid perfectionism and control | OCPD Test (Obsessive-Compulsive Personality) | This educational screen concerns OCPD patterns, which differ from OCD symptoms. |
| You want to reflect on everyday narcissistic traits | Narcissism Test | The NPI-16-informed result measures traits rather than establishing a personality disorder. |
| You want to explore dependence on others for decisions | Dependent Personality Disorder Test (DPD) | This screen considers dependent personality patterns rather than assuming codependency. |
Personality disorder and trait tests FAQ
Does a high score mean I have a personality disorder?
No. A high score suggests that some answers resemble the patterns the questionnaire explores. A diagnosis requires a qualified professional to consider history, context, persistence, impact, and other explanations. These educational tools cannot do that, and they should not be used as a verdict about your identity or future.
Why are narcissism and Dark Triad tools listed here?
They explore traits that people often ask about alongside personality concerns, but a trait is not automatically a disorder. The Narcissism Test is informed by the NPI-16, and the Dark Triad tool by the SD3. Read their specific limits rather than assuming either identifies a clinical condition.
Can I answer these questions about someone else?
Use self-report tools as intended rather than scoring someone from the outside. A questionnaire cannot establish the motives, diagnosis, or dangerousness of another person. If a relationship worries you, describe the behavior and its impact on you; the relationship collection offers reflections focused on those experiences and boundaries.
What if this topic brings up shame or thoughts of self-harm?
You can stop reading or taking a test, and no score defines your worth. Consider reaching out to someone you trust or a qualified professional. In the US, call or text 988 for suicidal thoughts or emotional crisis. If there is immediate danger, contact local emergency services rather than waiting for a result.
Cite this source
Psychology.com. (2026, September 27). Free Personality Disorder Tests and Trait Screeners. Psychology.com. https://psychology.com/tests/personality-disorder-tests
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