Borderline Personality Disorder Test
20 questions · Based on DSM-5 criteria · Results in 5 minutes · Free
Clinical disclaimer: This is a screening tool for educational purposes — not a clinical diagnosis. Only a licensed mental health professional can diagnose BPD. If you are in crisis, contact the 988 Suicide & Crisis Lifeline (call or text 988).
I panic when I think someone important to me might leave or reject me, even if there's little real evidence of this.
What is Borderline Personality Disorder?
Borderline personality disorder (BPD) is a mental health condition characterized by pervasive instability in emotions, interpersonal relationships, self-image, and behavior. The term "borderline" dates from a now-outdated theory that placed the condition on the border between neurosis and psychosis — today, clinicians understand BPD as a distinct disorder driven by emotional dysregulation and intense sensitivity to interpersonal cues.
BPD affects approximately 1.6–5.9% of the general population, making it more common than schizophrenia and bipolar disorder combined. Despite this prevalence, it remains one of the most misunderstood and stigmatized conditions in mental health — partly because the diagnostic criteria overlap with several other disorders, and partly because the disorder's interpersonal intensity can be difficult for others to understand.
The core experience of BPD is often described as living without an emotional skin — stimuli that others experience as mildly uncomfortable register as acutely painful. This heightened sensitivity, combined with difficulty returning to an emotional baseline, creates a cycle of intense reactions that are genuinely hard to regulate and that affect every area of life.
The 9 DSM-5 Criteria for BPD
The Diagnostic and Statistical Manual of Mental Disorders (DSM-5) requires at least five of the following nine criteria to be present, pervasive, persistent since early adulthood, and causing significant impairment:
Frantic efforts to avoid abandonment
Intense fear of being left by loved ones — real or imagined. This can lead to dramatic attempts to prevent separation, including clinging behavior, emotional outbursts, or threats of self-harm.
Unstable and intense interpersonal relationships
Relationships characterized by alternating between extremes of idealization ("this person is everything to me") and devaluation ("this person is worthless"). This pattern is sometimes called "splitting."
Identity disturbance
A markedly unstable sense of self — values, goals, career aspirations, sexual identity, and opinions can shift dramatically depending on who the person is around. Some describe feeling like they have no real self at all.
Impulsivity in self-damaging areas
Reckless or unplanned behavior in at least two areas — such as substance use, binge eating, unsafe sex, reckless driving, or compulsive spending — particularly when emotionally distressed.
Recurrent suicidal or self-harming behavior
Suicidal threats, gestures, or attempts, or non-suicidal self-injury (such as cutting or burning). These behaviors often function as an attempt to communicate pain or to regulate overwhelming emotion.
Emotional instability and reactivity
Intense, rapid mood fluctuations — often triggered by interpersonal events — that can shift from baseline to intense anxiety, irritability, or depression within hours. The emotional reactivity is real and intense, not performative.
Chronic feelings of emptiness
A persistent sense of inner hollowness or numbness. This is distinct from depression — many people with BPD describe it as a feeling of "nothing" rather than sadness.
Inappropriate, intense anger
Difficulty controlling anger — reactions that feel disproportionate to the situation, and may result in verbal or physical confrontations. Often followed by significant shame and guilt.
Stress-related paranoid ideation or dissociation
Under stress, temporary paranoid thoughts (others are plotting against me) or dissociative episodes (feeling detached from one's body or surroundings, memory gaps). These typically resolve when the stressor is removed.
BPD vs. Bipolar Disorder: Key Differences
BPD and bipolar disorder are among the most frequently confused conditions in mental health — and the confusion is understandable. Both involve mood instability and periods of impulsive behavior. The distinction matters enormously for treatment, since the interventions for each are substantially different.
| Feature | BPD | Bipolar Disorder |
|---|---|---|
| Mood episode duration | Hours (triggered by events) | Days to weeks (often spontaneous) |
| Primary trigger | Interpersonal rejection/conflict | Often none — can be spontaneous |
| Self-image | Chronically unstable | Generally stable between episodes |
| Fear of abandonment | Central feature | Not a core feature |
| Effective treatment | DBT, MBT, Schema Therapy | Mood stabilizers, lithium, psychotherapy |
| Prevalence | ~1.6–5.9% of population | ~2–4% of population |
Treatment for BPD: What the Evidence Says
BPD used to be considered untreatable. That view is now thoroughly outdated. Several evidence-based therapies produce significant, lasting improvements — including reductions in self-harm, hospitalization, and suicidality.
Dialectical Behavior Therapy (DBT)
Developed by Marsha Linehan, DBT is the most extensively researched treatment for BPD. It combines cognitive-behavioral techniques with mindfulness and acceptance strategies. Core skills include distress tolerance, emotion regulation, interpersonal effectiveness, and mindfulness. Multiple randomized controlled trials show DBT reduces self-harm, suicidal ideation, and hospitalizations significantly more than standard treatment.
Mentalization-Based Therapy (MBT)
Developed by Anthony Bateman and Peter Fonagy, MBT focuses on improving the ability to understand mental states — one's own and others'. The theory is that BPD involves impaired "mentalization" under emotional stress, leading to misread intentions and reactive behavior. MBT has demonstrated effectiveness comparable to DBT in several trials.
Schema Therapy
Schema therapy addresses deep-rooted patterns (schemas) formed in childhood — such as abandonment, abuse, or emotional deprivation — that underlie BPD traits. It integrates cognitive, behavioral, and experiential techniques. A large Dutch randomized trial found schema therapy produced remission in 45% of participants over three years.
Medication
No medication is specifically approved for BPD. However, medications may be used to address co-occurring symptoms — antidepressants for depression, mood stabilizers for emotional reactivity, low-dose antipsychotics for paranoia or dissociation. Medication alone is not sufficient; it is most effective as an adjunct to psychotherapy.
How to Find a BPD-Specialist Therapist
Not all therapists are trained in DBT or the other evidence-based BPD treatments. Finding the right match is the most important step after receiving a positive screen or a diagnosis. Here's how to do it:
- →Ask specifically whether the therapist is trained in DBT, MBT, or Schema Therapy — not just "familiar with" them. Full DBT requires individual therapy plus a skills group.
- →Check the therapist's training background. DBT-Linehan Board of Certification (DBT-LBC) certification is the gold standard for DBT practitioners.
- →Use Psychology Today's therapist directory and filter by 'Borderline Personality' as a specialty.
- →Online therapy platforms like BetterHelp and Talkspace have BPD-specialist therapists available — useful if local options are limited or cost is a barrier.
- →If cost is a barrier, look for DBT skills groups (often cheaper than individual therapy) or community mental health centers that offer sliding-scale fees.
- →University training clinics often offer high-quality evidence-based treatment at reduced rates.
Frequently Asked Questions
What is the Borderline Personality Disorder Test?
The Mindshape BPD test is a 20-question screening tool based on the nine DSM-5 criteria for borderline personality disorder. It uses a 4-point frequency scale to assess how often you experience traits associated with BPD. It is not a clinical diagnostic instrument — only a licensed mental health professional can diagnose BPD.
How accurate is an online BPD test?
Online BPD screening tools — including this one — can identify patterns that warrant professional follow-up, but they cannot replace clinical assessment. The gold-standard diagnostic process for BPD involves a structured interview with a psychiatrist or psychologist, review of history, and often collateral information. A high score on this screen means you should speak to a professional, not that you have BPD.
What are the 9 criteria for borderline personality disorder?
The DSM-5 lists nine criteria for BPD: (1) frantic efforts to avoid abandonment, (2) unstable intense relationships (idealization and devaluation), (3) unstable self-image or sense of self, (4) impulsivity in self-damaging areas, (5) recurrent suicidal or self-harming behavior, (6) emotional instability and reactivity, (7) chronic feelings of emptiness, (8) intense inappropriate anger, and (9) stress-related paranoid ideation or dissociation. A diagnosis requires at least five of these nine criteria.
What is the difference between BPD and bipolar disorder?
BPD and bipolar disorder are frequently confused. BPD mood swings are typically triggered by interpersonal events and last hours, not days. Bipolar mood episodes (mania/depression) last days to weeks and are not always triggered by events. BPD also involves a persistent unstable identity and intense fear of abandonment, which are not features of bipolar disorder. Both conditions can co-occur, which is why professional diagnosis is important.
Can BPD be treated?
Yes. BPD is one of the most treatable personality disorders. Dialectical Behavior Therapy (DBT), developed by Marsha Linehan, is the evidence-based gold standard and has been shown in multiple randomized trials to significantly reduce self-harm, suicidality, and hospitalizations. Mentalization-Based Therapy (MBT) and Schema Therapy are also effective. Many people with BPD experience substantial symptom reduction with treatment.
Is BPD more common in women?
BPD is diagnosed in women roughly three times more often than in men in clinical settings. However, research suggests the true prevalence in the general population may be more equal — men with BPD are often misdiagnosed with antisocial personality disorder or PTSD. BPD affects approximately 1.6–5.9% of the general population.